diff --git a/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClientTest.java b/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClientTest.java
index 2353fc5e..0c6789ba 100644
--- a/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClientTest.java
+++ b/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClientTest.java
@@ -51,6 +51,7 @@
 import com.google.cloudbuild.v1.ListBuildsResponse;
 import com.google.cloudbuild.v1.ListWorkerPoolsRequest;
 import com.google.cloudbuild.v1.ListWorkerPoolsResponse;
+import com.google.cloudbuild.v1.PubsubConfig;
 import com.google.cloudbuild.v1.ReceiveTriggerWebhookRequest;
 import com.google.cloudbuild.v1.ReceiveTriggerWebhookResponse;
 import com.google.cloudbuild.v1.RepoSource;
@@ -461,11 +462,13 @@ public void createBuildTriggerTest() throws Exception {
             .addAllTags(new ArrayList<String>())
             .setTriggerTemplate(RepoSource.newBuilder().build())
             .setGithub(GitHubEventsConfig.newBuilder().build())
+            .setPubsubConfig(PubsubConfig.newBuilder().build())
             .setCreateTime(Timestamp.newBuilder().build())
             .setDisabled(true)
             .putAllSubstitutions(new HashMap<String, String>())
             .addAllIgnoredFiles(new ArrayList<String>())
             .addAllIncludedFiles(new ArrayList<String>())
+            .setFilter("filter-1274492040")
             .build();
     mockCloudBuild.addResponse(expectedResponse);
 
@@ -512,11 +515,13 @@ public void getBuildTriggerTest() throws Exception {
             .addAllTags(new ArrayList<String>())
             .setTriggerTemplate(RepoSource.newBuilder().build())
             .setGithub(GitHubEventsConfig.newBuilder().build())
+            .setPubsubConfig(PubsubConfig.newBuilder().build())
             .setCreateTime(Timestamp.newBuilder().build())
             .setDisabled(true)
             .putAllSubstitutions(new HashMap<String, String>())
             .addAllIgnoredFiles(new ArrayList<String>())
             .addAllIncludedFiles(new ArrayList<String>())
+            .setFilter("filter-1274492040")
             .build();
     mockCloudBuild.addResponse(expectedResponse);
 
@@ -644,11 +649,13 @@ public void updateBuildTriggerTest() throws Exception {
             .addAllTags(new ArrayList<String>())
             .setTriggerTemplate(RepoSource.newBuilder().build())
             .setGithub(GitHubEventsConfig.newBuilder().build())
+            .setPubsubConfig(PubsubConfig.newBuilder().build())
             .setCreateTime(Timestamp.newBuilder().build())
             .setDisabled(true)
             .putAllSubstitutions(new HashMap<String, String>())
             .addAllIgnoredFiles(new ArrayList<String>())
             .addAllIncludedFiles(new ArrayList<String>())
+            .setFilter("filter-1274492040")
             .build();
     mockCloudBuild.addResponse(expectedResponse);
 
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildTrigger.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildTrigger.java
index ff581721..779f6e19 100644
--- a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildTrigger.java
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildTrigger.java
@@ -45,6 +45,7 @@ private BuildTrigger() {
     tags_ = com.google.protobuf.LazyStringArrayList.EMPTY;
     ignoredFiles_ = com.google.protobuf.LazyStringArrayList.EMPTY;
     includedFiles_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+    filter_ = "";
   }
 
   @java.lang.Override
@@ -219,6 +220,29 @@ private BuildTrigger(
               name_ = s;
               break;
             }
+          case 234:
+            {
+              com.google.cloudbuild.v1.PubsubConfig.Builder subBuilder = null;
+              if (pubsubConfig_ != null) {
+                subBuilder = pubsubConfig_.toBuilder();
+              }
+              pubsubConfig_ =
+                  input.readMessage(
+                      com.google.cloudbuild.v1.PubsubConfig.parser(), extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(pubsubConfig_);
+                pubsubConfig_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          case 242:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              filter_ = s;
+              break;
+            }
           default:
             {
               if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -650,6 +674,63 @@ public com.google.cloudbuild.v1.GitHubEventsConfigOrBuilder getGithubOrBuilder()
     return getGithub();
   }
 
+  public static final int PUBSUB_CONFIG_FIELD_NUMBER = 29;
+  private com.google.cloudbuild.v1.PubsubConfig pubsubConfig_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. PubsubConfig describes the configuration of a trigger that
+   * creates a build whenever a Pub/Sub message is published.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the pubsubConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasPubsubConfig() {
+    return pubsubConfig_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. PubsubConfig describes the configuration of a trigger that
+   * creates a build whenever a Pub/Sub message is published.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The pubsubConfig.
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.PubsubConfig getPubsubConfig() {
+    return pubsubConfig_ == null
+        ? com.google.cloudbuild.v1.PubsubConfig.getDefaultInstance()
+        : pubsubConfig_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. PubsubConfig describes the configuration of a trigger that
+   * creates a build whenever a Pub/Sub message is published.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.PubsubConfigOrBuilder getPubsubConfigOrBuilder() {
+    return getPubsubConfig();
+  }
+
   public static final int BUILD_FIELD_NUMBER = 4;
   /**
    *
@@ -1116,6 +1197,55 @@ public com.google.protobuf.ByteString getIncludedFilesBytes(int index) {
     return includedFiles_.getByteString(index);
   }
 
+  public static final int FILTER_FIELD_NUMBER = 30;
+  private volatile java.lang.Object filter_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A Common Expression Language string.
+   * </pre>
+   *
+   * <code>string filter = 30 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  @java.lang.Override
+  public java.lang.String getFilter() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      filter_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A Common Expression Language string.
+   * </pre>
+   *
+   * <code>string filter = 30 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFilterBytes() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      filter_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -1168,6 +1298,12 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!getNameBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 21, name_);
     }
+    if (pubsubConfig_ != null) {
+      output.writeMessage(29, getPubsubConfig());
+    }
+    if (!getFilterBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 30, filter_);
+    }
     unknownFields.writeTo(output);
   }
 
@@ -1240,6 +1376,12 @@ public int getSerializedSize() {
     if (!getNameBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(21, name_);
     }
+    if (pubsubConfig_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(29, getPubsubConfig());
+    }
+    if (!getFilterBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(30, filter_);
+    }
     size += unknownFields.getSerializedSize();
     memoizedSize = size;
     return size;
@@ -1267,6 +1409,10 @@ public boolean equals(final java.lang.Object obj) {
     if (hasGithub()) {
       if (!getGithub().equals(other.getGithub())) return false;
     }
+    if (hasPubsubConfig() != other.hasPubsubConfig()) return false;
+    if (hasPubsubConfig()) {
+      if (!getPubsubConfig().equals(other.getPubsubConfig())) return false;
+    }
     if (hasCreateTime() != other.hasCreateTime()) return false;
     if (hasCreateTime()) {
       if (!getCreateTime().equals(other.getCreateTime())) return false;
@@ -1275,6 +1421,7 @@ public boolean equals(final java.lang.Object obj) {
     if (!internalGetSubstitutions().equals(other.internalGetSubstitutions())) return false;
     if (!getIgnoredFilesList().equals(other.getIgnoredFilesList())) return false;
     if (!getIncludedFilesList().equals(other.getIncludedFilesList())) return false;
+    if (!getFilter().equals(other.getFilter())) return false;
     if (!getBuildTemplateCase().equals(other.getBuildTemplateCase())) return false;
     switch (buildTemplateCase_) {
       case 4:
@@ -1315,6 +1462,10 @@ public int hashCode() {
       hash = (37 * hash) + GITHUB_FIELD_NUMBER;
       hash = (53 * hash) + getGithub().hashCode();
     }
+    if (hasPubsubConfig()) {
+      hash = (37 * hash) + PUBSUB_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getPubsubConfig().hashCode();
+    }
     if (hasCreateTime()) {
       hash = (37 * hash) + CREATE_TIME_FIELD_NUMBER;
       hash = (53 * hash) + getCreateTime().hashCode();
@@ -1333,6 +1484,8 @@ public int hashCode() {
       hash = (37 * hash) + INCLUDED_FILES_FIELD_NUMBER;
       hash = (53 * hash) + getIncludedFilesList().hashCode();
     }
+    hash = (37 * hash) + FILTER_FIELD_NUMBER;
+    hash = (53 * hash) + getFilter().hashCode();
     switch (buildTemplateCase_) {
       case 4:
         hash = (37 * hash) + BUILD_FIELD_NUMBER;
@@ -1530,6 +1683,12 @@ public Builder clear() {
         github_ = null;
         githubBuilder_ = null;
       }
+      if (pubsubConfigBuilder_ == null) {
+        pubsubConfig_ = null;
+      } else {
+        pubsubConfig_ = null;
+        pubsubConfigBuilder_ = null;
+      }
       if (createTimeBuilder_ == null) {
         createTime_ = null;
       } else {
@@ -1543,6 +1702,8 @@ public Builder clear() {
       bitField0_ = (bitField0_ & ~0x00000004);
       includedFiles_ = com.google.protobuf.LazyStringArrayList.EMPTY;
       bitField0_ = (bitField0_ & ~0x00000008);
+      filter_ = "";
+
       buildTemplateCase_ = 0;
       buildTemplate_ = null;
       return this;
@@ -1591,6 +1752,11 @@ public com.google.cloudbuild.v1.BuildTrigger buildPartial() {
       } else {
         result.github_ = githubBuilder_.build();
       }
+      if (pubsubConfigBuilder_ == null) {
+        result.pubsubConfig_ = pubsubConfig_;
+      } else {
+        result.pubsubConfig_ = pubsubConfigBuilder_.build();
+      }
       if (buildTemplateCase_ == 4) {
         if (buildBuilder_ == null) {
           result.buildTemplate_ = buildTemplate_;
@@ -1619,6 +1785,7 @@ public com.google.cloudbuild.v1.BuildTrigger buildPartial() {
         bitField0_ = (bitField0_ & ~0x00000008);
       }
       result.includedFiles_ = includedFiles_;
+      result.filter_ = filter_;
       result.buildTemplateCase_ = buildTemplateCase_;
       onBuilt();
       return result;
@@ -1697,6 +1864,9 @@ public Builder mergeFrom(com.google.cloudbuild.v1.BuildTrigger other) {
       if (other.hasGithub()) {
         mergeGithub(other.getGithub());
       }
+      if (other.hasPubsubConfig()) {
+        mergePubsubConfig(other.getPubsubConfig());
+      }
       if (other.hasCreateTime()) {
         mergeCreateTime(other.getCreateTime());
       }
@@ -1724,6 +1894,10 @@ public Builder mergeFrom(com.google.cloudbuild.v1.BuildTrigger other) {
         }
         onChanged();
       }
+      if (!other.getFilter().isEmpty()) {
+        filter_ = other.filter_;
+        onChanged();
+      }
       switch (other.getBuildTemplateCase()) {
         case BUILD:
           {
@@ -2717,6 +2891,218 @@ public com.google.cloudbuild.v1.GitHubEventsConfigOrBuilder getGithubOrBuilder()
       return githubBuilder_;
     }
 
+    private com.google.cloudbuild.v1.PubsubConfig pubsubConfig_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloudbuild.v1.PubsubConfig,
+            com.google.cloudbuild.v1.PubsubConfig.Builder,
+            com.google.cloudbuild.v1.PubsubConfigOrBuilder>
+        pubsubConfigBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. PubsubConfig describes the configuration of a trigger that
+     * creates a build whenever a Pub/Sub message is published.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the pubsubConfig field is set.
+     */
+    public boolean hasPubsubConfig() {
+      return pubsubConfigBuilder_ != null || pubsubConfig_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. PubsubConfig describes the configuration of a trigger that
+     * creates a build whenever a Pub/Sub message is published.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The pubsubConfig.
+     */
+    public com.google.cloudbuild.v1.PubsubConfig getPubsubConfig() {
+      if (pubsubConfigBuilder_ == null) {
+        return pubsubConfig_ == null
+            ? com.google.cloudbuild.v1.PubsubConfig.getDefaultInstance()
+            : pubsubConfig_;
+      } else {
+        return pubsubConfigBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. PubsubConfig describes the configuration of a trigger that
+     * creates a build whenever a Pub/Sub message is published.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setPubsubConfig(com.google.cloudbuild.v1.PubsubConfig value) {
+      if (pubsubConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        pubsubConfig_ = value;
+        onChanged();
+      } else {
+        pubsubConfigBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. PubsubConfig describes the configuration of a trigger that
+     * creates a build whenever a Pub/Sub message is published.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setPubsubConfig(com.google.cloudbuild.v1.PubsubConfig.Builder builderForValue) {
+      if (pubsubConfigBuilder_ == null) {
+        pubsubConfig_ = builderForValue.build();
+        onChanged();
+      } else {
+        pubsubConfigBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. PubsubConfig describes the configuration of a trigger that
+     * creates a build whenever a Pub/Sub message is published.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergePubsubConfig(com.google.cloudbuild.v1.PubsubConfig value) {
+      if (pubsubConfigBuilder_ == null) {
+        if (pubsubConfig_ != null) {
+          pubsubConfig_ =
+              com.google.cloudbuild.v1.PubsubConfig.newBuilder(pubsubConfig_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          pubsubConfig_ = value;
+        }
+        onChanged();
+      } else {
+        pubsubConfigBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. PubsubConfig describes the configuration of a trigger that
+     * creates a build whenever a Pub/Sub message is published.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearPubsubConfig() {
+      if (pubsubConfigBuilder_ == null) {
+        pubsubConfig_ = null;
+        onChanged();
+      } else {
+        pubsubConfig_ = null;
+        pubsubConfigBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. PubsubConfig describes the configuration of a trigger that
+     * creates a build whenever a Pub/Sub message is published.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloudbuild.v1.PubsubConfig.Builder getPubsubConfigBuilder() {
+
+      onChanged();
+      return getPubsubConfigFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. PubsubConfig describes the configuration of a trigger that
+     * creates a build whenever a Pub/Sub message is published.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloudbuild.v1.PubsubConfigOrBuilder getPubsubConfigOrBuilder() {
+      if (pubsubConfigBuilder_ != null) {
+        return pubsubConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return pubsubConfig_ == null
+            ? com.google.cloudbuild.v1.PubsubConfig.getDefaultInstance()
+            : pubsubConfig_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. PubsubConfig describes the configuration of a trigger that
+     * creates a build whenever a Pub/Sub message is published.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloudbuild.v1.PubsubConfig,
+            com.google.cloudbuild.v1.PubsubConfig.Builder,
+            com.google.cloudbuild.v1.PubsubConfigOrBuilder>
+        getPubsubConfigFieldBuilder() {
+      if (pubsubConfigBuilder_ == null) {
+        pubsubConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloudbuild.v1.PubsubConfig,
+                com.google.cloudbuild.v1.PubsubConfig.Builder,
+                com.google.cloudbuild.v1.PubsubConfigOrBuilder>(
+                getPubsubConfig(), getParentForChildren(), isClean());
+        pubsubConfig_ = null;
+      }
+      return pubsubConfigBuilder_;
+    }
+
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloudbuild.v1.Build,
             com.google.cloudbuild.v1.Build.Builder,
@@ -3927,6 +4313,112 @@ public Builder addIncludedFilesBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.lang.Object filter_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A Common Expression Language string.
+     * </pre>
+     *
+     * <code>string filter = 30 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The filter.
+     */
+    public java.lang.String getFilter() {
+      java.lang.Object ref = filter_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        filter_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A Common Expression Language string.
+     * </pre>
+     *
+     * <code>string filter = 30 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for filter.
+     */
+    public com.google.protobuf.ByteString getFilterBytes() {
+      java.lang.Object ref = filter_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        filter_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A Common Expression Language string.
+     * </pre>
+     *
+     * <code>string filter = 30 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The filter to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFilter(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      filter_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A Common Expression Language string.
+     * </pre>
+     *
+     * <code>string filter = 30 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFilter() {
+
+      filter_ = getDefaultInstance().getFilter();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A Common Expression Language string.
+     * </pre>
+     *
+     * <code>string filter = 30 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for filter to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFilterBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      filter_ = value;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildTriggerOrBuilder.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildTriggerOrBuilder.java
index b03fa82c..2ce1e156 100644
--- a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildTriggerOrBuilder.java
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildTriggerOrBuilder.java
@@ -245,6 +245,50 @@ public interface BuildTriggerOrBuilder
    */
   com.google.cloudbuild.v1.GitHubEventsConfigOrBuilder getGithubOrBuilder();
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. PubsubConfig describes the configuration of a trigger that
+   * creates a build whenever a Pub/Sub message is published.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the pubsubConfig field is set.
+   */
+  boolean hasPubsubConfig();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. PubsubConfig describes the configuration of a trigger that
+   * creates a build whenever a Pub/Sub message is published.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The pubsubConfig.
+   */
+  com.google.cloudbuild.v1.PubsubConfig getPubsubConfig();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. PubsubConfig describes the configuration of a trigger that
+   * creates a build whenever a Pub/Sub message is published.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.PubsubConfig pubsub_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloudbuild.v1.PubsubConfigOrBuilder getPubsubConfigOrBuilder();
+
   /**
    *
    *
@@ -580,5 +624,30 @@ public interface BuildTriggerOrBuilder
    */
   com.google.protobuf.ByteString getIncludedFilesBytes(int index);
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A Common Expression Language string.
+   * </pre>
+   *
+   * <code>string filter = 30 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  java.lang.String getFilter();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A Common Expression Language string.
+   * </pre>
+   *
+   * <code>string filter = 30 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  com.google.protobuf.ByteString getFilterBytes();
+
   public com.google.cloudbuild.v1.BuildTrigger.BuildTemplateCase getBuildTemplateCase();
 }
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java
index 156cefe9..fd1b2a7c 100644
--- a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java
@@ -171,6 +171,10 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_devtools_cloudbuild_v1_GitHubEventsConfig_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_devtools_cloudbuild_v1_GitHubEventsConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_devtools_cloudbuild_v1_PubsubConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_devtools_cloudbuild_v1_PubsubConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_devtools_cloudbuild_v1_PullRequestFilter_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
@@ -409,28 +413,40 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + " \001(\t\"r\n\022CancelBuildRequest\0222\n\004name\030\004 \001(\t"
           + "B$\372A!\n\037cloudbuild.googleapis.com/Build\022\027"
           + "\n\nproject_id\030\001 \001(\tB\003\340A\002\022\017\n\002id\030\002 \001(\tB\003\340A\002"
-          + "\"\215\005\n\014BuildTrigger\022\017\n\002id\030\001 \001(\tB\003\340A\003\022\023\n\013de"
+          + "\"\353\005\n\014BuildTrigger\022\017\n\002id\030\001 \001(\tB\003\340A\003\022\023\n\013de"
           + "scription\030\n \001(\t\022\014\n\004name\030\025 \001(\t\022\014\n\004tags\030\023 "
           + "\003(\t\022C\n\020trigger_template\030\007 \001(\0132).google.d"
           + "evtools.cloudbuild.v1.RepoSource\022A\n\006gith"
           + "ub\030\r \001(\01321.google.devtools.cloudbuild.v1"
-          + ".GitHubEventsConfig\0225\n\005build\030\004 \001(\0132$.goo"
-          + "gle.devtools.cloudbuild.v1.BuildH\000\022\022\n\010fi"
-          + "lename\030\010 \001(\tH\000\0224\n\013create_time\030\005 \001(\0132\032.go"
-          + "ogle.protobuf.TimestampB\003\340A\003\022\020\n\010disabled"
-          + "\030\t \001(\010\022U\n\rsubstitutions\030\013 \003(\0132>.google.d"
-          + "evtools.cloudbuild.v1.BuildTrigger.Subst"
-          + "itutionsEntry\022\025\n\rignored_files\030\017 \003(\t\022\026\n\016"
-          + "included_files\030\020 \003(\t\0324\n\022SubstitutionsEnt"
-          + "ry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001:R\352AO\n"
-          + "&cloudbuild.googleapis.com/BuildTrigger\022"
-          + "%projects/{project}/triggers/{trigger}B\020"
-          + "\n\016build_template\"\334\001\n\022GitHubEventsConfig\022"
-          + "\033\n\017installation_id\030\001 \001(\003B\002\030\001\022\r\n\005owner\030\006 "
-          + "\001(\t\022\014\n\004name\030\007 \001(\t\022H\n\014pull_request\030\004 \001(\0132"
-          + "0.google.devtools.cloudbuild.v1.PullRequ"
-          + "estFilterH\000\0229\n\004push\030\005 \001(\0132).google.devto"
-          + "ols.cloudbuild.v1.PushFilterH\000B\007\n\005event\""
+          + ".GitHubEventsConfig\022G\n\rpubsub_config\030\035 \001"
+          + "(\0132+.google.devtools.cloudbuild.v1.Pubsu"
+          + "bConfigB\003\340A\001\0225\n\005build\030\004 \001(\0132$.google.dev"
+          + "tools.cloudbuild.v1.BuildH\000\022\022\n\010filename\030"
+          + "\010 \001(\tH\000\0224\n\013create_time\030\005 \001(\0132\032.google.pr"
+          + "otobuf.TimestampB\003\340A\003\022\020\n\010disabled\030\t \001(\010\022"
+          + "U\n\rsubstitutions\030\013 \003(\0132>.google.devtools"
+          + ".cloudbuild.v1.BuildTrigger.Substitution"
+          + "sEntry\022\025\n\rignored_files\030\017 \003(\t\022\026\n\016include"
+          + "d_files\030\020 \003(\t\022\023\n\006filter\030\036 \001(\tB\003\340A\001\0324\n\022Su"
+          + "bstitutionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002"
+          + " \001(\t:\0028\001:R\352AO\n&cloudbuild.googleapis.com"
+          + "/BuildTrigger\022%projects/{project}/trigge"
+          + "rs/{trigger}B\020\n\016build_template\"\334\001\n\022GitHu"
+          + "bEventsConfig\022\033\n\017installation_id\030\001 \001(\003B\002"
+          + "\030\001\022\r\n\005owner\030\006 \001(\t\022\014\n\004name\030\007 \001(\t\022H\n\014pull_"
+          + "request\030\004 \001(\01320.google.devtools.cloudbui"
+          + "ld.v1.PullRequestFilterH\000\0229\n\004push\030\005 \001(\0132"
+          + ").google.devtools.cloudbuild.v1.PushFilt"
+          + "erH\000B\007\n\005event\"\377\002\n\014PubsubConfig\022@\n\014subscr"
+          + "iption\030\001 \001(\tB*\340A\003\372A$\n\"pubsub.googleapis."
+          + "com/Subscription\022/\n\005topic\030\002 \001(\tB \372A\035\n\033pu"
+          + "bsub.googleapis.com/Topic\022E\n\025service_acc"
+          + "ount_email\030\003 \001(\tB&\372A#\n!iam.googleapis.co"
+          + "m/ServiceAccount\022@\n\005state\030\004 \001(\01621.google"
+          + ".devtools.cloudbuild.v1.PubsubConfig.Sta"
+          + "te\"s\n\005State\022\025\n\021STATE_UNSPECIFIED\020\000\022\006\n\002OK"
+          + "\020\001\022\030\n\024SUBSCRIPTION_DELETED\020\002\022\021\n\rTOPIC_DE"
+          + "LETED\020\003\022\036\n\032SUBSCRIPTION_MISCONFIGURED\020\004\""
           + "\224\002\n\021PullRequestFilter\022\020\n\006branch\030\002 \001(\tH\000\022"
           + "X\n\017comment_control\030\005 \001(\0162?.google.devtoo"
           + "ls.cloudbuild.v1.PullRequestFilter.Comme"
@@ -601,7 +617,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "equest\0326.google.devtools.cloudbuild.v1.L"
           + "istWorkerPoolsResponse\"\000\032M\312A\031cloudbuild."
           + "googleapis.com\322A.https://www.googleapis."
-          + "com/auth/cloud-platformB\367\004\n\030com.google.c"
+          + "com/auth/cloud-platformB\222\006\n\030com.google.c"
           + "loudbuild.v1P\001ZGgoogle.golang.org/genpro"
           + "to/googleapis/devtools/cloudbuild/v1;clo"
           + "udbuild\242\002\003GCB\252\002\032Google.Cloud.CloudBuild."
@@ -617,7 +633,11 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "et}/versions/{version}\352Ap\n!cloudkms.goog"
           + "leapis.com/CryptoKey\022Kprojects/{project}"
           + "/locations/{location}/keyRings/{keyring}"
-          + "/cryptoKeys/{key}b\006proto3"
+          + "/cryptoKeys/{key}\352AU\n\"pubsub.googleapis."
+          + "com/Subscription\022/projects/{project}/sub"
+          + "scriptions/{subscription}\352A@\n\033pubsub.goo"
+          + "gleapis.com/Topic\022!projects/{project}/to"
+          + "pics/{topic}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -964,6 +984,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Tags",
               "TriggerTemplate",
               "Github",
+              "PubsubConfig",
               "Build",
               "Filename",
               "CreateTime",
@@ -971,6 +992,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Substitutions",
               "IgnoredFiles",
               "IncludedFiles",
+              "Filter",
               "BuildTemplate",
             });
     internal_static_google_devtools_cloudbuild_v1_BuildTrigger_SubstitutionsEntry_descriptor =
@@ -991,8 +1013,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "InstallationId", "Owner", "Name", "PullRequest", "Push", "Event",
             });
-    internal_static_google_devtools_cloudbuild_v1_PullRequestFilter_descriptor =
+    internal_static_google_devtools_cloudbuild_v1_PubsubConfig_descriptor =
         getDescriptor().getMessageTypes().get(28);
+    internal_static_google_devtools_cloudbuild_v1_PubsubConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_devtools_cloudbuild_v1_PubsubConfig_descriptor,
+            new java.lang.String[] {
+              "Subscription", "Topic", "ServiceAccountEmail", "State",
+            });
+    internal_static_google_devtools_cloudbuild_v1_PullRequestFilter_descriptor =
+        getDescriptor().getMessageTypes().get(29);
     internal_static_google_devtools_cloudbuild_v1_PullRequestFilter_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_PullRequestFilter_descriptor,
@@ -1000,7 +1030,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Branch", "CommentControl", "InvertRegex", "GitRef",
             });
     internal_static_google_devtools_cloudbuild_v1_PushFilter_descriptor =
-        getDescriptor().getMessageTypes().get(29);
+        getDescriptor().getMessageTypes().get(30);
     internal_static_google_devtools_cloudbuild_v1_PushFilter_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_PushFilter_descriptor,
@@ -1008,7 +1038,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Branch", "Tag", "InvertRegex", "GitRef",
             });
     internal_static_google_devtools_cloudbuild_v1_CreateBuildTriggerRequest_descriptor =
-        getDescriptor().getMessageTypes().get(30);
+        getDescriptor().getMessageTypes().get(31);
     internal_static_google_devtools_cloudbuild_v1_CreateBuildTriggerRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_CreateBuildTriggerRequest_descriptor,
@@ -1016,7 +1046,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ProjectId", "Trigger",
             });
     internal_static_google_devtools_cloudbuild_v1_GetBuildTriggerRequest_descriptor =
-        getDescriptor().getMessageTypes().get(31);
+        getDescriptor().getMessageTypes().get(32);
     internal_static_google_devtools_cloudbuild_v1_GetBuildTriggerRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_GetBuildTriggerRequest_descriptor,
@@ -1024,7 +1054,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ProjectId", "TriggerId",
             });
     internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersRequest_descriptor =
-        getDescriptor().getMessageTypes().get(32);
+        getDescriptor().getMessageTypes().get(33);
     internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersRequest_descriptor,
@@ -1032,7 +1062,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ProjectId", "PageSize", "PageToken",
             });
     internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersResponse_descriptor =
-        getDescriptor().getMessageTypes().get(33);
+        getDescriptor().getMessageTypes().get(34);
     internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersResponse_descriptor,
@@ -1040,7 +1070,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Triggers", "NextPageToken",
             });
     internal_static_google_devtools_cloudbuild_v1_DeleteBuildTriggerRequest_descriptor =
-        getDescriptor().getMessageTypes().get(34);
+        getDescriptor().getMessageTypes().get(35);
     internal_static_google_devtools_cloudbuild_v1_DeleteBuildTriggerRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_DeleteBuildTriggerRequest_descriptor,
@@ -1048,7 +1078,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ProjectId", "TriggerId",
             });
     internal_static_google_devtools_cloudbuild_v1_UpdateBuildTriggerRequest_descriptor =
-        getDescriptor().getMessageTypes().get(35);
+        getDescriptor().getMessageTypes().get(36);
     internal_static_google_devtools_cloudbuild_v1_UpdateBuildTriggerRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_UpdateBuildTriggerRequest_descriptor,
@@ -1056,7 +1086,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ProjectId", "TriggerId", "Trigger",
             });
     internal_static_google_devtools_cloudbuild_v1_BuildOptions_descriptor =
-        getDescriptor().getMessageTypes().get(36);
+        getDescriptor().getMessageTypes().get(37);
     internal_static_google_devtools_cloudbuild_v1_BuildOptions_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_BuildOptions_descriptor,
@@ -1075,7 +1105,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Volumes",
             });
     internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookRequest_descriptor =
-        getDescriptor().getMessageTypes().get(37);
+        getDescriptor().getMessageTypes().get(38);
     internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookRequest_descriptor,
@@ -1083,13 +1113,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Body", "ProjectId", "Trigger", "Secret",
             });
     internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookResponse_descriptor =
-        getDescriptor().getMessageTypes().get(38);
+        getDescriptor().getMessageTypes().get(39);
     internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookResponse_descriptor,
             new java.lang.String[] {});
     internal_static_google_devtools_cloudbuild_v1_WorkerPool_descriptor =
-        getDescriptor().getMessageTypes().get(39);
+        getDescriptor().getMessageTypes().get(40);
     internal_static_google_devtools_cloudbuild_v1_WorkerPool_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_WorkerPool_descriptor,
@@ -1106,7 +1136,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Status",
             });
     internal_static_google_devtools_cloudbuild_v1_WorkerConfig_descriptor =
-        getDescriptor().getMessageTypes().get(40);
+        getDescriptor().getMessageTypes().get(41);
     internal_static_google_devtools_cloudbuild_v1_WorkerConfig_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_WorkerConfig_descriptor,
@@ -1114,7 +1144,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MachineType", "DiskSizeGb", "Network", "Tag",
             });
     internal_static_google_devtools_cloudbuild_v1_Network_descriptor =
-        getDescriptor().getMessageTypes().get(41);
+        getDescriptor().getMessageTypes().get(42);
     internal_static_google_devtools_cloudbuild_v1_Network_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_Network_descriptor,
@@ -1122,7 +1152,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ProjectId", "Network", "Subnetwork",
             });
     internal_static_google_devtools_cloudbuild_v1_CreateWorkerPoolRequest_descriptor =
-        getDescriptor().getMessageTypes().get(42);
+        getDescriptor().getMessageTypes().get(43);
     internal_static_google_devtools_cloudbuild_v1_CreateWorkerPoolRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_CreateWorkerPoolRequest_descriptor,
@@ -1130,7 +1160,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parent", "WorkerPool",
             });
     internal_static_google_devtools_cloudbuild_v1_GetWorkerPoolRequest_descriptor =
-        getDescriptor().getMessageTypes().get(43);
+        getDescriptor().getMessageTypes().get(44);
     internal_static_google_devtools_cloudbuild_v1_GetWorkerPoolRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_GetWorkerPoolRequest_descriptor,
@@ -1138,7 +1168,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name",
             });
     internal_static_google_devtools_cloudbuild_v1_DeleteWorkerPoolRequest_descriptor =
-        getDescriptor().getMessageTypes().get(44);
+        getDescriptor().getMessageTypes().get(45);
     internal_static_google_devtools_cloudbuild_v1_DeleteWorkerPoolRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_DeleteWorkerPoolRequest_descriptor,
@@ -1146,7 +1176,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name",
             });
     internal_static_google_devtools_cloudbuild_v1_UpdateWorkerPoolRequest_descriptor =
-        getDescriptor().getMessageTypes().get(45);
+        getDescriptor().getMessageTypes().get(46);
     internal_static_google_devtools_cloudbuild_v1_UpdateWorkerPoolRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_UpdateWorkerPoolRequest_descriptor,
@@ -1154,7 +1184,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name", "WorkerPool",
             });
     internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsRequest_descriptor =
-        getDescriptor().getMessageTypes().get(46);
+        getDescriptor().getMessageTypes().get(47);
     internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsRequest_descriptor,
@@ -1162,7 +1192,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parent",
             });
     internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsResponse_descriptor =
-        getDescriptor().getMessageTypes().get(47);
+        getDescriptor().getMessageTypes().get(48);
     internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsResponse_descriptor,
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PubsubConfig.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PubsubConfig.java
new file mode 100644
index 00000000..e849231f
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PubsubConfig.java
@@ -0,0 +1,1379 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/devtools/cloudbuild/v1/cloudbuild.proto
+
+package com.google.cloudbuild.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * PubsubConfig describes the configuration of a trigger that
+ * creates a build whenever a Pub/Sub message is published.
+ * </pre>
+ *
+ * Protobuf type {@code google.devtools.cloudbuild.v1.PubsubConfig}
+ */
+public final class PubsubConfig extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.devtools.cloudbuild.v1.PubsubConfig)
+    PubsubConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use PubsubConfig.newBuilder() to construct.
+  private PubsubConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private PubsubConfig() {
+    subscription_ = "";
+    topic_ = "";
+    serviceAccountEmail_ = "";
+    state_ = 0;
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new PubsubConfig();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private PubsubConfig(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              subscription_ = s;
+              break;
+            }
+          case 18:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              topic_ = s;
+              break;
+            }
+          case 26:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              serviceAccountEmail_ = s;
+              break;
+            }
+          case 32:
+            {
+              int rawValue = input.readEnum();
+
+              state_ = rawValue;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloudbuild.v1.Cloudbuild
+        .internal_static_google_devtools_cloudbuild_v1_PubsubConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloudbuild.v1.Cloudbuild
+        .internal_static_google_devtools_cloudbuild_v1_PubsubConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloudbuild.v1.PubsubConfig.class,
+            com.google.cloudbuild.v1.PubsubConfig.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Enumerates potential issues with the underlying Pub/Sub subscription
+   * configuration.
+   * </pre>
+   *
+   * Protobuf enum {@code google.devtools.cloudbuild.v1.PubsubConfig.State}
+   */
+  public enum State implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * The subscription configuration has not been checked.
+     * </pre>
+     *
+     * <code>STATE_UNSPECIFIED = 0;</code>
+     */
+    STATE_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * The Pub/Sub subscription is properly configured.
+     * </pre>
+     *
+     * <code>OK = 1;</code>
+     */
+    OK(1),
+    /**
+     *
+     *
+     * <pre>
+     * The subscription has been deleted.
+     * </pre>
+     *
+     * <code>SUBSCRIPTION_DELETED = 2;</code>
+     */
+    SUBSCRIPTION_DELETED(2),
+    /**
+     *
+     *
+     * <pre>
+     * The topic has been deleted.
+     * </pre>
+     *
+     * <code>TOPIC_DELETED = 3;</code>
+     */
+    TOPIC_DELETED(3),
+    /**
+     *
+     *
+     * <pre>
+     * Some of the subscription's field are misconfigured.
+     * </pre>
+     *
+     * <code>SUBSCRIPTION_MISCONFIGURED = 4;</code>
+     */
+    SUBSCRIPTION_MISCONFIGURED(4),
+    UNRECOGNIZED(-1),
+    ;
+
+    /**
+     *
+     *
+     * <pre>
+     * The subscription configuration has not been checked.
+     * </pre>
+     *
+     * <code>STATE_UNSPECIFIED = 0;</code>
+     */
+    public static final int STATE_UNSPECIFIED_VALUE = 0;
+    /**
+     *
+     *
+     * <pre>
+     * The Pub/Sub subscription is properly configured.
+     * </pre>
+     *
+     * <code>OK = 1;</code>
+     */
+    public static final int OK_VALUE = 1;
+    /**
+     *
+     *
+     * <pre>
+     * The subscription has been deleted.
+     * </pre>
+     *
+     * <code>SUBSCRIPTION_DELETED = 2;</code>
+     */
+    public static final int SUBSCRIPTION_DELETED_VALUE = 2;
+    /**
+     *
+     *
+     * <pre>
+     * The topic has been deleted.
+     * </pre>
+     *
+     * <code>TOPIC_DELETED = 3;</code>
+     */
+    public static final int TOPIC_DELETED_VALUE = 3;
+    /**
+     *
+     *
+     * <pre>
+     * Some of the subscription's field are misconfigured.
+     * </pre>
+     *
+     * <code>SUBSCRIPTION_MISCONFIGURED = 4;</code>
+     */
+    public static final int SUBSCRIPTION_MISCONFIGURED_VALUE = 4;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static State valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static State forNumber(int value) {
+      switch (value) {
+        case 0:
+          return STATE_UNSPECIFIED;
+        case 1:
+          return OK;
+        case 2:
+          return SUBSCRIPTION_DELETED;
+        case 3:
+          return TOPIC_DELETED;
+        case 4:
+          return SUBSCRIPTION_MISCONFIGURED;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<State> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<State> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<State>() {
+          public State findValueByNumber(int number) {
+            return State.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloudbuild.v1.PubsubConfig.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final State[] VALUES = values();
+
+    public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private State(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.devtools.cloudbuild.v1.PubsubConfig.State)
+  }
+
+  public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
+  private volatile java.lang.Object subscription_;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Name of the subscription. Format is
+   * `projects/{project}/subscriptions/{subscription}`.
+   * </pre>
+   *
+   * <code>
+   * string subscription = 1 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The subscription.
+   */
+  @java.lang.Override
+  public java.lang.String getSubscription() {
+    java.lang.Object ref = subscription_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      subscription_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Name of the subscription. Format is
+   * `projects/{project}/subscriptions/{subscription}`.
+   * </pre>
+   *
+   * <code>
+   * string subscription = 1 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for subscription.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getSubscriptionBytes() {
+    java.lang.Object ref = subscription_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      subscription_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int TOPIC_FIELD_NUMBER = 2;
+  private volatile java.lang.Object topic_;
+  /**
+   *
+   *
+   * <pre>
+   * The name of the topic from which this subscription is receiving messages.
+   * Format is `projects/{project}/topics/{topic}`.
+   * </pre>
+   *
+   * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The topic.
+   */
+  @java.lang.Override
+  public java.lang.String getTopic() {
+    java.lang.Object ref = topic_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      topic_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The name of the topic from which this subscription is receiving messages.
+   * Format is `projects/{project}/topics/{topic}`.
+   * </pre>
+   *
+   * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The bytes for topic.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getTopicBytes() {
+    java.lang.Object ref = topic_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      topic_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int SERVICE_ACCOUNT_EMAIL_FIELD_NUMBER = 3;
+  private volatile java.lang.Object serviceAccountEmail_;
+  /**
+   *
+   *
+   * <pre>
+   * Service account that will make the push request.
+   * </pre>
+   *
+   * <code>string service_account_email = 3 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The serviceAccountEmail.
+   */
+  @java.lang.Override
+  public java.lang.String getServiceAccountEmail() {
+    java.lang.Object ref = serviceAccountEmail_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      serviceAccountEmail_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Service account that will make the push request.
+   * </pre>
+   *
+   * <code>string service_account_email = 3 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The bytes for serviceAccountEmail.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getServiceAccountEmailBytes() {
+    java.lang.Object ref = serviceAccountEmail_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      serviceAccountEmail_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int STATE_FIELD_NUMBER = 4;
+  private int state_;
+  /**
+   *
+   *
+   * <pre>
+   * Potential issues with the underlying Pub/Sub subscription configuration.
+   * Only populated on get requests.
+   * </pre>
+   *
+   * <code>.google.devtools.cloudbuild.v1.PubsubConfig.State state = 4;</code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  @java.lang.Override
+  public int getStateValue() {
+    return state_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Potential issues with the underlying Pub/Sub subscription configuration.
+   * Only populated on get requests.
+   * </pre>
+   *
+   * <code>.google.devtools.cloudbuild.v1.PubsubConfig.State state = 4;</code>
+   *
+   * @return The state.
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.PubsubConfig.State getState() {
+    @SuppressWarnings("deprecation")
+    com.google.cloudbuild.v1.PubsubConfig.State result =
+        com.google.cloudbuild.v1.PubsubConfig.State.valueOf(state_);
+    return result == null ? com.google.cloudbuild.v1.PubsubConfig.State.UNRECOGNIZED : result;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getSubscriptionBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscription_);
+    }
+    if (!getTopicBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, topic_);
+    }
+    if (!getServiceAccountEmailBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, serviceAccountEmail_);
+    }
+    if (state_ != com.google.cloudbuild.v1.PubsubConfig.State.STATE_UNSPECIFIED.getNumber()) {
+      output.writeEnum(4, state_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getSubscriptionBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, subscription_);
+    }
+    if (!getTopicBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, topic_);
+    }
+    if (!getServiceAccountEmailBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, serviceAccountEmail_);
+    }
+    if (state_ != com.google.cloudbuild.v1.PubsubConfig.State.STATE_UNSPECIFIED.getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(4, state_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloudbuild.v1.PubsubConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloudbuild.v1.PubsubConfig other = (com.google.cloudbuild.v1.PubsubConfig) obj;
+
+    if (!getSubscription().equals(other.getSubscription())) return false;
+    if (!getTopic().equals(other.getTopic())) return false;
+    if (!getServiceAccountEmail().equals(other.getServiceAccountEmail())) return false;
+    if (state_ != other.state_) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + SUBSCRIPTION_FIELD_NUMBER;
+    hash = (53 * hash) + getSubscription().hashCode();
+    hash = (37 * hash) + TOPIC_FIELD_NUMBER;
+    hash = (53 * hash) + getTopic().hashCode();
+    hash = (37 * hash) + SERVICE_ACCOUNT_EMAIL_FIELD_NUMBER;
+    hash = (53 * hash) + getServiceAccountEmail().hashCode();
+    hash = (37 * hash) + STATE_FIELD_NUMBER;
+    hash = (53 * hash) + state_;
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseFrom(com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloudbuild.v1.PubsubConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * PubsubConfig describes the configuration of a trigger that
+   * creates a build whenever a Pub/Sub message is published.
+   * </pre>
+   *
+   * Protobuf type {@code google.devtools.cloudbuild.v1.PubsubConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.devtools.cloudbuild.v1.PubsubConfig)
+      com.google.cloudbuild.v1.PubsubConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_PubsubConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_PubsubConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloudbuild.v1.PubsubConfig.class,
+              com.google.cloudbuild.v1.PubsubConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloudbuild.v1.PubsubConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      subscription_ = "";
+
+      topic_ = "";
+
+      serviceAccountEmail_ = "";
+
+      state_ = 0;
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_PubsubConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.PubsubConfig getDefaultInstanceForType() {
+      return com.google.cloudbuild.v1.PubsubConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.PubsubConfig build() {
+      com.google.cloudbuild.v1.PubsubConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.PubsubConfig buildPartial() {
+      com.google.cloudbuild.v1.PubsubConfig result =
+          new com.google.cloudbuild.v1.PubsubConfig(this);
+      result.subscription_ = subscription_;
+      result.topic_ = topic_;
+      result.serviceAccountEmail_ = serviceAccountEmail_;
+      result.state_ = state_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloudbuild.v1.PubsubConfig) {
+        return mergeFrom((com.google.cloudbuild.v1.PubsubConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloudbuild.v1.PubsubConfig other) {
+      if (other == com.google.cloudbuild.v1.PubsubConfig.getDefaultInstance()) return this;
+      if (!other.getSubscription().isEmpty()) {
+        subscription_ = other.subscription_;
+        onChanged();
+      }
+      if (!other.getTopic().isEmpty()) {
+        topic_ = other.topic_;
+        onChanged();
+      }
+      if (!other.getServiceAccountEmail().isEmpty()) {
+        serviceAccountEmail_ = other.serviceAccountEmail_;
+        onChanged();
+      }
+      if (other.state_ != 0) {
+        setStateValue(other.getStateValue());
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloudbuild.v1.PubsubConfig parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.cloudbuild.v1.PubsubConfig) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object subscription_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Name of the subscription. Format is
+     * `projects/{project}/subscriptions/{subscription}`.
+     * </pre>
+     *
+     * <code>
+     * string subscription = 1 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The subscription.
+     */
+    public java.lang.String getSubscription() {
+      java.lang.Object ref = subscription_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        subscription_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Name of the subscription. Format is
+     * `projects/{project}/subscriptions/{subscription}`.
+     * </pre>
+     *
+     * <code>
+     * string subscription = 1 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for subscription.
+     */
+    public com.google.protobuf.ByteString getSubscriptionBytes() {
+      java.lang.Object ref = subscription_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        subscription_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Name of the subscription. Format is
+     * `projects/{project}/subscriptions/{subscription}`.
+     * </pre>
+     *
+     * <code>
+     * string subscription = 1 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The subscription to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSubscription(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      subscription_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Name of the subscription. Format is
+     * `projects/{project}/subscriptions/{subscription}`.
+     * </pre>
+     *
+     * <code>
+     * string subscription = 1 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSubscription() {
+
+      subscription_ = getDefaultInstance().getSubscription();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Name of the subscription. Format is
+     * `projects/{project}/subscriptions/{subscription}`.
+     * </pre>
+     *
+     * <code>
+     * string subscription = 1 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for subscription to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      subscription_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object topic_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * The name of the topic from which this subscription is receiving messages.
+     * Format is `projects/{project}/topics/{topic}`.
+     * </pre>
+     *
+     * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return The topic.
+     */
+    public java.lang.String getTopic() {
+      java.lang.Object ref = topic_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        topic_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The name of the topic from which this subscription is receiving messages.
+     * Format is `projects/{project}/topics/{topic}`.
+     * </pre>
+     *
+     * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return The bytes for topic.
+     */
+    public com.google.protobuf.ByteString getTopicBytes() {
+      java.lang.Object ref = topic_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        topic_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The name of the topic from which this subscription is receiving messages.
+     * Format is `projects/{project}/topics/{topic}`.
+     * </pre>
+     *
+     * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @param value The topic to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTopic(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      topic_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The name of the topic from which this subscription is receiving messages.
+     * Format is `projects/{project}/topics/{topic}`.
+     * </pre>
+     *
+     * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTopic() {
+
+      topic_ = getDefaultInstance().getTopic();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The name of the topic from which this subscription is receiving messages.
+     * Format is `projects/{project}/topics/{topic}`.
+     * </pre>
+     *
+     * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @param value The bytes for topic to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTopicBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      topic_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object serviceAccountEmail_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Service account that will make the push request.
+     * </pre>
+     *
+     * <code>string service_account_email = 3 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return The serviceAccountEmail.
+     */
+    public java.lang.String getServiceAccountEmail() {
+      java.lang.Object ref = serviceAccountEmail_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        serviceAccountEmail_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Service account that will make the push request.
+     * </pre>
+     *
+     * <code>string service_account_email = 3 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return The bytes for serviceAccountEmail.
+     */
+    public com.google.protobuf.ByteString getServiceAccountEmailBytes() {
+      java.lang.Object ref = serviceAccountEmail_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        serviceAccountEmail_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Service account that will make the push request.
+     * </pre>
+     *
+     * <code>string service_account_email = 3 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @param value The serviceAccountEmail to set.
+     * @return This builder for chaining.
+     */
+    public Builder setServiceAccountEmail(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      serviceAccountEmail_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Service account that will make the push request.
+     * </pre>
+     *
+     * <code>string service_account_email = 3 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearServiceAccountEmail() {
+
+      serviceAccountEmail_ = getDefaultInstance().getServiceAccountEmail();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Service account that will make the push request.
+     * </pre>
+     *
+     * <code>string service_account_email = 3 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @param value The bytes for serviceAccountEmail to set.
+     * @return This builder for chaining.
+     */
+    public Builder setServiceAccountEmailBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      serviceAccountEmail_ = value;
+      onChanged();
+      return this;
+    }
+
+    private int state_ = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Potential issues with the underlying Pub/Sub subscription configuration.
+     * Only populated on get requests.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.PubsubConfig.State state = 4;</code>
+     *
+     * @return The enum numeric value on the wire for state.
+     */
+    @java.lang.Override
+    public int getStateValue() {
+      return state_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Potential issues with the underlying Pub/Sub subscription configuration.
+     * Only populated on get requests.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.PubsubConfig.State state = 4;</code>
+     *
+     * @param value The enum numeric value on the wire for state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setStateValue(int value) {
+
+      state_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Potential issues with the underlying Pub/Sub subscription configuration.
+     * Only populated on get requests.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.PubsubConfig.State state = 4;</code>
+     *
+     * @return The state.
+     */
+    @java.lang.Override
+    public com.google.cloudbuild.v1.PubsubConfig.State getState() {
+      @SuppressWarnings("deprecation")
+      com.google.cloudbuild.v1.PubsubConfig.State result =
+          com.google.cloudbuild.v1.PubsubConfig.State.valueOf(state_);
+      return result == null ? com.google.cloudbuild.v1.PubsubConfig.State.UNRECOGNIZED : result;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Potential issues with the underlying Pub/Sub subscription configuration.
+     * Only populated on get requests.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.PubsubConfig.State state = 4;</code>
+     *
+     * @param value The state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setState(com.google.cloudbuild.v1.PubsubConfig.State value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      state_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Potential issues with the underlying Pub/Sub subscription configuration.
+     * Only populated on get requests.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.PubsubConfig.State state = 4;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearState() {
+
+      state_ = 0;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.devtools.cloudbuild.v1.PubsubConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.devtools.cloudbuild.v1.PubsubConfig)
+  private static final com.google.cloudbuild.v1.PubsubConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloudbuild.v1.PubsubConfig();
+  }
+
+  public static com.google.cloudbuild.v1.PubsubConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<PubsubConfig> PARSER =
+      new com.google.protobuf.AbstractParser<PubsubConfig>() {
+        @java.lang.Override
+        public PubsubConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new PubsubConfig(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<PubsubConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<PubsubConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloudbuild.v1.PubsubConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PubsubConfigOrBuilder.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PubsubConfigOrBuilder.java
new file mode 100644
index 00000000..b26e2062
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PubsubConfigOrBuilder.java
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/devtools/cloudbuild/v1/cloudbuild.proto
+
+package com.google.cloudbuild.v1;
+
+public interface PubsubConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.devtools.cloudbuild.v1.PubsubConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Name of the subscription. Format is
+   * `projects/{project}/subscriptions/{subscription}`.
+   * </pre>
+   *
+   * <code>
+   * string subscription = 1 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The subscription.
+   */
+  java.lang.String getSubscription();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Name of the subscription. Format is
+   * `projects/{project}/subscriptions/{subscription}`.
+   * </pre>
+   *
+   * <code>
+   * string subscription = 1 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for subscription.
+   */
+  com.google.protobuf.ByteString getSubscriptionBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The name of the topic from which this subscription is receiving messages.
+   * Format is `projects/{project}/topics/{topic}`.
+   * </pre>
+   *
+   * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The topic.
+   */
+  java.lang.String getTopic();
+  /**
+   *
+   *
+   * <pre>
+   * The name of the topic from which this subscription is receiving messages.
+   * Format is `projects/{project}/topics/{topic}`.
+   * </pre>
+   *
+   * <code>string topic = 2 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The bytes for topic.
+   */
+  com.google.protobuf.ByteString getTopicBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Service account that will make the push request.
+   * </pre>
+   *
+   * <code>string service_account_email = 3 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The serviceAccountEmail.
+   */
+  java.lang.String getServiceAccountEmail();
+  /**
+   *
+   *
+   * <pre>
+   * Service account that will make the push request.
+   * </pre>
+   *
+   * <code>string service_account_email = 3 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The bytes for serviceAccountEmail.
+   */
+  com.google.protobuf.ByteString getServiceAccountEmailBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Potential issues with the underlying Pub/Sub subscription configuration.
+   * Only populated on get requests.
+   * </pre>
+   *
+   * <code>.google.devtools.cloudbuild.v1.PubsubConfig.State state = 4;</code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  int getStateValue();
+  /**
+   *
+   *
+   * <pre>
+   * Potential issues with the underlying Pub/Sub subscription configuration.
+   * Only populated on get requests.
+   * </pre>
+   *
+   * <code>.google.devtools.cloudbuild.v1.PubsubConfig.State state = 4;</code>
+   *
+   * @return The state.
+   */
+  com.google.cloudbuild.v1.PubsubConfig.State getState();
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/SubscriptionName.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/SubscriptionName.java
new file mode 100644
index 00000000..39dfb38d
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/SubscriptionName.java
@@ -0,0 +1,192 @@
+/*
+ * Copyright 2021 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloudbuild.v1;
+
+import com.google.api.pathtemplate.PathTemplate;
+import com.google.api.resourcenames.ResourceName;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import javax.annotation.Generated;
+
+// AUTO-GENERATED DOCUMENTATION AND CLASS.
+@Generated("by gapic-generator-java")
+public class SubscriptionName implements ResourceName {
+  private static final PathTemplate PROJECT_SUBSCRIPTION =
+      PathTemplate.createWithoutUrlEncoding("projects/{project}/subscriptions/{subscription}");
+  private volatile Map<String, String> fieldValuesMap;
+  private final String project;
+  private final String subscription;
+
+  @Deprecated
+  protected SubscriptionName() {
+    project = null;
+    subscription = null;
+  }
+
+  private SubscriptionName(Builder builder) {
+    project = Preconditions.checkNotNull(builder.getProject());
+    subscription = Preconditions.checkNotNull(builder.getSubscription());
+  }
+
+  public String getProject() {
+    return project;
+  }
+
+  public String getSubscription() {
+    return subscription;
+  }
+
+  public static Builder newBuilder() {
+    return new Builder();
+  }
+
+  public Builder toBuilder() {
+    return new Builder(this);
+  }
+
+  public static SubscriptionName of(String project, String subscription) {
+    return newBuilder().setProject(project).setSubscription(subscription).build();
+  }
+
+  public static String format(String project, String subscription) {
+    return newBuilder().setProject(project).setSubscription(subscription).build().toString();
+  }
+
+  public static SubscriptionName parse(String formattedString) {
+    if (formattedString.isEmpty()) {
+      return null;
+    }
+    Map<String, String> matchMap =
+        PROJECT_SUBSCRIPTION.validatedMatch(
+            formattedString, "SubscriptionName.parse: formattedString not in valid format");
+    return of(matchMap.get("project"), matchMap.get("subscription"));
+  }
+
+  public static List<SubscriptionName> parseList(List<String> formattedStrings) {
+    List<SubscriptionName> list = new ArrayList<>(formattedStrings.size());
+    for (String formattedString : formattedStrings) {
+      list.add(parse(formattedString));
+    }
+    return list;
+  }
+
+  public static List<String> toStringList(List<SubscriptionName> values) {
+    List<String> list = new ArrayList<>(values.size());
+    for (SubscriptionName value : values) {
+      if (value == null) {
+        list.add("");
+      } else {
+        list.add(value.toString());
+      }
+    }
+    return list;
+  }
+
+  public static boolean isParsableFrom(String formattedString) {
+    return PROJECT_SUBSCRIPTION.matches(formattedString);
+  }
+
+  @Override
+  public Map<String, String> getFieldValuesMap() {
+    if (fieldValuesMap == null) {
+      synchronized (this) {
+        if (fieldValuesMap == null) {
+          ImmutableMap.Builder<String, String> fieldMapBuilder = ImmutableMap.builder();
+          if (project != null) {
+            fieldMapBuilder.put("project", project);
+          }
+          if (subscription != null) {
+            fieldMapBuilder.put("subscription", subscription);
+          }
+          fieldValuesMap = fieldMapBuilder.build();
+        }
+      }
+    }
+    return fieldValuesMap;
+  }
+
+  public String getFieldValue(String fieldName) {
+    return getFieldValuesMap().get(fieldName);
+  }
+
+  @Override
+  public String toString() {
+    return PROJECT_SUBSCRIPTION.instantiate("project", project, "subscription", subscription);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == this) {
+      return true;
+    }
+    if (o != null || getClass() == o.getClass()) {
+      SubscriptionName that = ((SubscriptionName) o);
+      return Objects.equals(this.project, that.project)
+          && Objects.equals(this.subscription, that.subscription);
+    }
+    return false;
+  }
+
+  @Override
+  public int hashCode() {
+    int h = 1;
+    h *= 1000003;
+    h ^= Objects.hashCode(project);
+    h *= 1000003;
+    h ^= Objects.hashCode(subscription);
+    return h;
+  }
+
+  /** Builder for projects/{project}/subscriptions/{subscription}. */
+  public static class Builder {
+    private String project;
+    private String subscription;
+
+    protected Builder() {}
+
+    public String getProject() {
+      return project;
+    }
+
+    public String getSubscription() {
+      return subscription;
+    }
+
+    public Builder setProject(String project) {
+      this.project = project;
+      return this;
+    }
+
+    public Builder setSubscription(String subscription) {
+      this.subscription = subscription;
+      return this;
+    }
+
+    private Builder(SubscriptionName subscriptionName) {
+      project = subscriptionName.project;
+      subscription = subscriptionName.subscription;
+    }
+
+    public SubscriptionName build() {
+      return new SubscriptionName(this);
+    }
+  }
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/TopicName.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/TopicName.java
new file mode 100644
index 00000000..03ac582f
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/TopicName.java
@@ -0,0 +1,191 @@
+/*
+ * Copyright 2021 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloudbuild.v1;
+
+import com.google.api.pathtemplate.PathTemplate;
+import com.google.api.resourcenames.ResourceName;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import javax.annotation.Generated;
+
+// AUTO-GENERATED DOCUMENTATION AND CLASS.
+@Generated("by gapic-generator-java")
+public class TopicName implements ResourceName {
+  private static final PathTemplate PROJECT_TOPIC =
+      PathTemplate.createWithoutUrlEncoding("projects/{project}/topics/{topic}");
+  private volatile Map<String, String> fieldValuesMap;
+  private final String project;
+  private final String topic;
+
+  @Deprecated
+  protected TopicName() {
+    project = null;
+    topic = null;
+  }
+
+  private TopicName(Builder builder) {
+    project = Preconditions.checkNotNull(builder.getProject());
+    topic = Preconditions.checkNotNull(builder.getTopic());
+  }
+
+  public String getProject() {
+    return project;
+  }
+
+  public String getTopic() {
+    return topic;
+  }
+
+  public static Builder newBuilder() {
+    return new Builder();
+  }
+
+  public Builder toBuilder() {
+    return new Builder(this);
+  }
+
+  public static TopicName of(String project, String topic) {
+    return newBuilder().setProject(project).setTopic(topic).build();
+  }
+
+  public static String format(String project, String topic) {
+    return newBuilder().setProject(project).setTopic(topic).build().toString();
+  }
+
+  public static TopicName parse(String formattedString) {
+    if (formattedString.isEmpty()) {
+      return null;
+    }
+    Map<String, String> matchMap =
+        PROJECT_TOPIC.validatedMatch(
+            formattedString, "TopicName.parse: formattedString not in valid format");
+    return of(matchMap.get("project"), matchMap.get("topic"));
+  }
+
+  public static List<TopicName> parseList(List<String> formattedStrings) {
+    List<TopicName> list = new ArrayList<>(formattedStrings.size());
+    for (String formattedString : formattedStrings) {
+      list.add(parse(formattedString));
+    }
+    return list;
+  }
+
+  public static List<String> toStringList(List<TopicName> values) {
+    List<String> list = new ArrayList<>(values.size());
+    for (TopicName value : values) {
+      if (value == null) {
+        list.add("");
+      } else {
+        list.add(value.toString());
+      }
+    }
+    return list;
+  }
+
+  public static boolean isParsableFrom(String formattedString) {
+    return PROJECT_TOPIC.matches(formattedString);
+  }
+
+  @Override
+  public Map<String, String> getFieldValuesMap() {
+    if (fieldValuesMap == null) {
+      synchronized (this) {
+        if (fieldValuesMap == null) {
+          ImmutableMap.Builder<String, String> fieldMapBuilder = ImmutableMap.builder();
+          if (project != null) {
+            fieldMapBuilder.put("project", project);
+          }
+          if (topic != null) {
+            fieldMapBuilder.put("topic", topic);
+          }
+          fieldValuesMap = fieldMapBuilder.build();
+        }
+      }
+    }
+    return fieldValuesMap;
+  }
+
+  public String getFieldValue(String fieldName) {
+    return getFieldValuesMap().get(fieldName);
+  }
+
+  @Override
+  public String toString() {
+    return PROJECT_TOPIC.instantiate("project", project, "topic", topic);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == this) {
+      return true;
+    }
+    if (o != null || getClass() == o.getClass()) {
+      TopicName that = ((TopicName) o);
+      return Objects.equals(this.project, that.project) && Objects.equals(this.topic, that.topic);
+    }
+    return false;
+  }
+
+  @Override
+  public int hashCode() {
+    int h = 1;
+    h *= 1000003;
+    h ^= Objects.hashCode(project);
+    h *= 1000003;
+    h ^= Objects.hashCode(topic);
+    return h;
+  }
+
+  /** Builder for projects/{project}/topics/{topic}. */
+  public static class Builder {
+    private String project;
+    private String topic;
+
+    protected Builder() {}
+
+    public String getProject() {
+      return project;
+    }
+
+    public String getTopic() {
+      return topic;
+    }
+
+    public Builder setProject(String project) {
+      this.project = project;
+      return this;
+    }
+
+    public Builder setTopic(String topic) {
+      this.topic = topic;
+      return this;
+    }
+
+    private Builder(TopicName topicName) {
+      project = topicName.project;
+      topic = topicName.topic;
+    }
+
+    public TopicName build() {
+      return new TopicName(this);
+    }
+  }
+}
diff --git a/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto b/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto
index b5a3c09d..938e37e9 100644
--- a/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto
+++ b/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto
@@ -53,6 +53,14 @@ option (google.api.resource_definition) = {
   type: "cloudkms.googleapis.com/CryptoKey"
   pattern: "projects/{project}/locations/{location}/keyRings/{keyring}/cryptoKeys/{key}"
 };
+option (google.api.resource_definition) = {
+  type: "pubsub.googleapis.com/Subscription"
+  pattern: "projects/{project}/subscriptions/{subscription}"
+};
+option (google.api.resource_definition) = {
+  type: "pubsub.googleapis.com/Topic"
+  pattern: "projects/{project}/topics/{topic}"
+};
 
 // Creates and manages builds on Google Cloud Platform.
 //
@@ -1021,6 +1029,10 @@ message BuildTrigger {
   // Mutually exclusive with `trigger_template`.
   GitHubEventsConfig github = 13;
 
+  // Optional. PubsubConfig describes the configuration of a trigger that
+  // creates a build whenever a Pub/Sub message is published.
+  PubsubConfig pubsub_config = 29 [(google.api.field_behavior) = OPTIONAL];
+
   // Template describing the Build request to make when the trigger is matched.
   oneof build_template {
     // Contents of the build template.
@@ -1062,6 +1074,9 @@ message BuildTrigger {
   // least one of those files matches a included_files glob. If not,
   // then we do not trigger a build.
   repeated string included_files = 16;
+
+  // Optional. A Common Expression Language string.
+  string filter = 30 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // GitHubEventsConfig describes the configuration of a trigger that creates a
@@ -1092,6 +1107,53 @@ message GitHubEventsConfig {
   }
 }
 
+// PubsubConfig describes the configuration of a trigger that
+// creates a build whenever a Pub/Sub message is published.
+message PubsubConfig {
+  // Enumerates potential issues with the underlying Pub/Sub subscription
+  // configuration.
+  enum State {
+    // The subscription configuration has not been checked.
+    STATE_UNSPECIFIED = 0;
+
+    // The Pub/Sub subscription is properly configured.
+    OK = 1;
+
+    // The subscription has been deleted.
+    SUBSCRIPTION_DELETED = 2;
+
+    // The topic has been deleted.
+    TOPIC_DELETED = 3;
+
+    // Some of the subscription's field are misconfigured.
+    SUBSCRIPTION_MISCONFIGURED = 4;
+  }
+
+  // Output only. Name of the subscription. Format is
+  // `projects/{project}/subscriptions/{subscription}`.
+  string subscription = 1 [
+    (google.api.field_behavior) = OUTPUT_ONLY,
+    (google.api.resource_reference) = {
+      type: "pubsub.googleapis.com/Subscription"
+    }
+  ];
+
+  // The name of the topic from which this subscription is receiving messages.
+  // Format is `projects/{project}/topics/{topic}`.
+  string topic = 2 [
+    (google.api.resource_reference) = { type: "pubsub.googleapis.com/Topic" }
+  ];
+
+  // Service account that will make the push request.
+  string service_account_email = 3 [(google.api.resource_reference) = {
+    type: "iam.googleapis.com/ServiceAccount"
+  }];
+
+  // Potential issues with the underlying Pub/Sub subscription configuration.
+  // Only populated on get requests.
+  State state = 4;
+}
+
 // PullRequestFilter contains filter properties for matching GitHub Pull
 // Requests.
 message PullRequestFilter {
diff --git a/synth.metadata b/synth.metadata
index 9f97c5b2..5a287c21 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -18,8 +18,8 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "913f5553d5ff5940cddd8245313136449b2a3571",
-        "internalRef": "363244566"
+        "sha": "9a9e29627a715077cd8e33c0d2bd549437039bd0",
+        "internalRef": "368533270"
       }
     },
     {
@@ -185,6 +185,8 @@
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Network.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/NetworkOrBuilder.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ProjectName.java",
+    "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PubsubConfig.java",
+    "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PubsubConfigOrBuilder.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PullRequestFilter.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PullRequestFilterOrBuilder.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/PushFilter.java",
@@ -215,8 +217,10 @@
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/SourceProvenanceOrBuilder.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/StorageSource.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/StorageSourceOrBuilder.java",
+    "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/SubscriptionName.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/TimeSpan.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/TimeSpanOrBuilder.java",
+    "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/TopicName.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/UpdateBuildTriggerRequest.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/UpdateBuildTriggerRequestOrBuilder.java",
     "proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/UpdateWorkerPoolRequest.java",