diff --git a/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClient.java b/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClient.java
index dad43bdb..62a6cf79 100644
--- a/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClient.java
+++ b/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClient.java
@@ -234,6 +234,7 @@ public final ConnectionProto.Connection createConnection(
    *       ConnectionProto.CreateConnectionRequest.newBuilder()
    *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
    *           .setConnectionId("connectionId1923106969")
+   *           .setConnection(ConnectionProto.Connection.newBuilder().build())
    *           .build();
    *   ConnectionProto.Connection response = connectionServiceClient.createConnection(request);
    * }
@@ -259,6 +260,7 @@ public final ConnectionProto.Connection createConnection(
    *       ConnectionProto.CreateConnectionRequest.newBuilder()
    *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
    *           .setConnectionId("connectionId1923106969")
+   *           .setConnection(ConnectionProto.Connection.newBuilder().build())
    *           .build();
    *   ApiFuture<ConnectionProto.Connection> future =
    *       connectionServiceClient.createConnectionCallable().futureCall(request);
@@ -562,6 +564,7 @@ public final ConnectionProto.Connection updateConnection(
    *   ConnectionProto.UpdateConnectionRequest request =
    *       ConnectionProto.UpdateConnectionRequest.newBuilder()
    *           .setName(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
+   *           .setConnection(ConnectionProto.Connection.newBuilder().build())
    *           .setUpdateMask(FieldMask.newBuilder().build())
    *           .build();
    *   ConnectionProto.Connection response = connectionServiceClient.updateConnection(request);
@@ -588,6 +591,7 @@ public final ConnectionProto.Connection updateConnection(
    *   ConnectionProto.UpdateConnectionRequest request =
    *       ConnectionProto.UpdateConnectionRequest.newBuilder()
    *           .setName(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
+   *           .setConnection(ConnectionProto.Connection.newBuilder().build())
    *           .setUpdateMask(FieldMask.newBuilder().build())
    *           .build();
    *   ApiFuture<ConnectionProto.Connection> future =
@@ -643,6 +647,7 @@ public final void updateConnectionCredential(
    *   ConnectionProto.UpdateConnectionCredentialRequest request =
    *       ConnectionProto.UpdateConnectionCredentialRequest.newBuilder()
    *           .setName("name3373707")
+   *           .setCredential(ConnectionProto.ConnectionCredential.newBuilder().build())
    *           .build();
    *   connectionServiceClient.updateConnectionCredential(request);
    * }
@@ -667,6 +672,7 @@ public final void updateConnectionCredential(
    *   ConnectionProto.UpdateConnectionCredentialRequest request =
    *       ConnectionProto.UpdateConnectionCredentialRequest.newBuilder()
    *           .setName("name3373707")
+   *           .setCredential(ConnectionProto.ConnectionCredential.newBuilder().build())
    *           .build();
    *   ApiFuture<Empty> future =
    *       connectionServiceClient.updateConnectionCredentialCallable().futureCall(request);
diff --git a/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClientTest.java b/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClientTest.java
index 7a052d8f..e58db7a6 100644
--- a/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClientTest.java
+++ b/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClientTest.java
@@ -90,7 +90,15 @@ public void tearDown() throws Exception {
 
   @Test
   public void createConnectionTest() throws Exception {
-    ConnectionProto.Connection expectedResponse = ConnectionProto.Connection.newBuilder().build();
+    ConnectionProto.Connection expectedResponse =
+        ConnectionProto.Connection.newBuilder()
+            .setName(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
+            .setFriendlyName("friendlyName461933014")
+            .setDescription("description-1724546052")
+            .setCreationTime(1932333101)
+            .setLastModifiedTime(-671513446)
+            .setHasCredential(true)
+            .build();
     mockConnectionService.addResponse(expectedResponse);
 
     LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -133,7 +141,15 @@ public void createConnectionExceptionTest() throws Exception {
 
   @Test
   public void createConnectionTest2() throws Exception {
-    ConnectionProto.Connection expectedResponse = ConnectionProto.Connection.newBuilder().build();
+    ConnectionProto.Connection expectedResponse =
+        ConnectionProto.Connection.newBuilder()
+            .setName(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
+            .setFriendlyName("friendlyName461933014")
+            .setDescription("description-1724546052")
+            .setCreationTime(1932333101)
+            .setLastModifiedTime(-671513446)
+            .setHasCredential(true)
+            .build();
     mockConnectionService.addResponse(expectedResponse);
 
     String parent = "parent-995424086";
@@ -176,7 +192,15 @@ public void createConnectionExceptionTest2() throws Exception {
 
   @Test
   public void getConnectionTest() throws Exception {
-    ConnectionProto.Connection expectedResponse = ConnectionProto.Connection.newBuilder().build();
+    ConnectionProto.Connection expectedResponse =
+        ConnectionProto.Connection.newBuilder()
+            .setName(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
+            .setFriendlyName("friendlyName461933014")
+            .setDescription("description-1724546052")
+            .setCreationTime(1932333101)
+            .setLastModifiedTime(-671513446)
+            .setHasCredential(true)
+            .build();
     mockConnectionService.addResponse(expectedResponse);
 
     ConnectionName name = ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]");
@@ -212,7 +236,15 @@ public void getConnectionExceptionTest() throws Exception {
 
   @Test
   public void getConnectionTest2() throws Exception {
-    ConnectionProto.Connection expectedResponse = ConnectionProto.Connection.newBuilder().build();
+    ConnectionProto.Connection expectedResponse =
+        ConnectionProto.Connection.newBuilder()
+            .setName(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
+            .setFriendlyName("friendlyName461933014")
+            .setDescription("description-1724546052")
+            .setCreationTime(1932333101)
+            .setLastModifiedTime(-671513446)
+            .setHasCredential(true)
+            .build();
     mockConnectionService.addResponse(expectedResponse);
 
     String name = "name3373707";
@@ -249,7 +281,10 @@ public void getConnectionExceptionTest2() throws Exception {
   @Test
   public void listConnectionsTest() throws Exception {
     ConnectionProto.ListConnectionsResponse expectedResponse =
-        ConnectionProto.ListConnectionsResponse.newBuilder().build();
+        ConnectionProto.ListConnectionsResponse.newBuilder()
+            .setNextPageToken("nextPageToken-1386094857")
+            .addAllConnections(new ArrayList<ConnectionProto.Connection>())
+            .build();
     mockConnectionService.addResponse(expectedResponse);
 
     LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -290,7 +325,10 @@ public void listConnectionsExceptionTest() throws Exception {
   @Test
   public void listConnectionsTest2() throws Exception {
     ConnectionProto.ListConnectionsResponse expectedResponse =
-        ConnectionProto.ListConnectionsResponse.newBuilder().build();
+        ConnectionProto.ListConnectionsResponse.newBuilder()
+            .setNextPageToken("nextPageToken-1386094857")
+            .addAllConnections(new ArrayList<ConnectionProto.Connection>())
+            .build();
     mockConnectionService.addResponse(expectedResponse);
 
     String parent = "parent-995424086";
@@ -330,7 +368,15 @@ public void listConnectionsExceptionTest2() throws Exception {
 
   @Test
   public void updateConnectionTest() throws Exception {
-    ConnectionProto.Connection expectedResponse = ConnectionProto.Connection.newBuilder().build();
+    ConnectionProto.Connection expectedResponse =
+        ConnectionProto.Connection.newBuilder()
+            .setName(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
+            .setFriendlyName("friendlyName461933014")
+            .setDescription("description-1724546052")
+            .setCreationTime(1932333101)
+            .setLastModifiedTime(-671513446)
+            .setHasCredential(true)
+            .build();
     mockConnectionService.addResponse(expectedResponse);
 
     ConnectionName name = ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]");
@@ -373,7 +419,15 @@ public void updateConnectionExceptionTest() throws Exception {
 
   @Test
   public void updateConnectionTest2() throws Exception {
-    ConnectionProto.Connection expectedResponse = ConnectionProto.Connection.newBuilder().build();
+    ConnectionProto.Connection expectedResponse =
+        ConnectionProto.Connection.newBuilder()
+            .setName(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
+            .setFriendlyName("friendlyName461933014")
+            .setDescription("description-1724546052")
+            .setCreationTime(1932333101)
+            .setLastModifiedTime(-671513446)
+            .setHasCredential(true)
+            .build();
     mockConnectionService.addResponse(expectedResponse);
 
     String name = "name3373707";
diff --git a/synth.metadata b/synth.metadata
index 0eea7dde..28587804 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -11,16 +11,16 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "1305ca41d554eb0725237561e34129373bb8cbc1",
-        "internalRef": "362856902"
+        "sha": "131ae3e375c05856d7d77cd146dc2af92650eb38",
+        "internalRef": "374252908"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "1305ca41d554eb0725237561e34129373bb8cbc1",
-        "internalRef": "362856902"
+        "sha": "131ae3e375c05856d7d77cd146dc2af92650eb38",
+        "internalRef": "374252908"
       }
     },
     {