diff --git a/discovery/workflowexecutions-v1.json b/discovery/workflowexecutions-v1.json
index d3d62a7471a..40a893c2fd7 100644
--- a/discovery/workflowexecutions-v1.json
+++ b/discovery/workflowexecutions-v1.json
@@ -3,7 +3,7 @@
     "oauth2": {
       "scopes": {
         "https://www.googleapis.com/auth/cloud-platform": {
-          "description": "See, edit, configure, and delete your Google Cloud Platform data"
+          "description": "See, edit, configure, and delete your Google Cloud data and see the email address for your Google Account."
         }
       }
     }
@@ -269,7 +269,7 @@
       }
     }
   },
-  "revision": "20210309",
+  "revision": "20210817",
   "rootUrl": "https://workflowexecutions.googleapis.com/",
   "schemas": {
     "CancelExecutionRequest": {
@@ -305,6 +305,20 @@
           "description": "Input parameters of the execution represented as a JSON string. The size limit is 32KB. *Note*: If you are using the REST API directly to run your workflow, you must escape any JSON string value of `argument`. Example: `'{\"argument\":\"{\\\"firstName\\\":\\\"FIRST\\\",\\\"lastName\\\":\\\"LAST\\\"}\"}'`",
           "type": "string"
         },
+        "callLogLevel": {
+          "description": "The call logging level associated to this execution.",
+          "enum": [
+            "CALL_LOG_LEVEL_UNSPECIFIED",
+            "LOG_ALL_CALLS",
+            "LOG_ERRORS_ONLY"
+          ],
+          "enumDescriptions": [
+            "No call logging specified.",
+            "Log all call steps within workflows, all call returns, and all exceptions raised.",
+            "Log only exceptions that are raised from call steps within workflows."
+          ],
+          "type": "string"
+        },
         "endTime": {
           "description": "Output only. Marks the end of execution, successful or not.",
           "format": "google-datetime",
diff --git a/discovery/workflowexecutions-v1beta.json b/discovery/workflowexecutions-v1beta.json
index 752e8c4d739..695fd70576f 100644
--- a/discovery/workflowexecutions-v1beta.json
+++ b/discovery/workflowexecutions-v1beta.json
@@ -3,7 +3,7 @@
     "oauth2": {
       "scopes": {
         "https://www.googleapis.com/auth/cloud-platform": {
-          "description": "See, edit, configure, and delete your Google Cloud Platform data"
+          "description": "See, edit, configure, and delete your Google Cloud data and see the email address for your Google Account."
         }
       }
     }
@@ -269,7 +269,7 @@
       }
     }
   },
-  "revision": "20210309",
+  "revision": "20210817",
   "rootUrl": "https://workflowexecutions.googleapis.com/",
   "schemas": {
     "CancelExecutionRequest": {
@@ -305,6 +305,20 @@
           "description": "Input parameters of the execution represented as a JSON string. The size limit is 32KB. *Note*: If you are using the REST API directly to run your workflow, you must escape any JSON string value of `argument`. Example: `'{\"argument\":\"{\\\"firstName\\\":\\\"FIRST\\\",\\\"lastName\\\":\\\"LAST\\\"}\"}'`",
           "type": "string"
         },
+        "callLogLevel": {
+          "description": "The call logging level associated to this execution.",
+          "enum": [
+            "CALL_LOG_LEVEL_UNSPECIFIED",
+            "LOG_ALL_CALLS",
+            "LOG_ERRORS_ONLY"
+          ],
+          "enumDescriptions": [
+            "No call logging specified.",
+            "Log all call steps within workflows, all call returns, and all exceptions raised.",
+            "Log only exceptions that are raised from call steps within workflows."
+          ],
+          "type": "string"
+        },
         "endTime": {
           "description": "Output only. Marks the end of execution, successful or not.",
           "format": "google-datetime",
diff --git a/src/apis/workflowexecutions/v1.ts b/src/apis/workflowexecutions/v1.ts
index d0d9a3de783..782a9b116bb 100644
--- a/src/apis/workflowexecutions/v1.ts
+++ b/src/apis/workflowexecutions/v1.ts
@@ -154,6 +154,10 @@ export namespace workflowexecutions_v1 {
      * Input parameters of the execution represented as a JSON string. The size limit is 32KB. *Note*: If you are using the REST API directly to run your workflow, you must escape any JSON string value of `argument`. Example: `'{"argument":"{\"firstName\":\"FIRST\",\"lastName\":\"LAST\"\}"\}'`
      */
     argument?: string | null;
+    /**
+     * The call logging level associated to this execution.
+     */
+    callLogLevel?: string | null;
     /**
      * Output only. Marks the end of execution, successful or not.
      */
@@ -317,6 +321,7 @@ export namespace workflowexecutions_v1 {
      *   // Example response
      *   // {
      *   //   "argument": "my_argument",
+     *   //   "callLogLevel": "my_callLogLevel",
      *   //   "endTime": "my_endTime",
      *   //   "error": {},
      *   //   "name": "my_name",
@@ -453,6 +458,7 @@ export namespace workflowexecutions_v1 {
      *         // request body parameters
      *         // {
      *         //   "argument": "my_argument",
+     *         //   "callLogLevel": "my_callLogLevel",
      *         //   "endTime": "my_endTime",
      *         //   "error": {},
      *         //   "name": "my_name",
@@ -468,6 +474,7 @@ export namespace workflowexecutions_v1 {
      *   // Example response
      *   // {
      *   //   "argument": "my_argument",
+     *   //   "callLogLevel": "my_callLogLevel",
      *   //   "endTime": "my_endTime",
      *   //   "error": {},
      *   //   "name": "my_name",
@@ -609,6 +616,7 @@ export namespace workflowexecutions_v1 {
      *   // Example response
      *   // {
      *   //   "argument": "my_argument",
+     *   //   "callLogLevel": "my_callLogLevel",
      *   //   "endTime": "my_endTime",
      *   //   "error": {},
      *   //   "name": "my_name",
diff --git a/src/apis/workflowexecutions/v1beta.ts b/src/apis/workflowexecutions/v1beta.ts
index c5319c1f92a..477eb224fbe 100644
--- a/src/apis/workflowexecutions/v1beta.ts
+++ b/src/apis/workflowexecutions/v1beta.ts
@@ -154,6 +154,10 @@ export namespace workflowexecutions_v1beta {
      * Input parameters of the execution represented as a JSON string. The size limit is 32KB. *Note*: If you are using the REST API directly to run your workflow, you must escape any JSON string value of `argument`. Example: `'{"argument":"{\"firstName\":\"FIRST\",\"lastName\":\"LAST\"\}"\}'`
      */
     argument?: string | null;
+    /**
+     * The call logging level associated to this execution.
+     */
+    callLogLevel?: string | null;
     /**
      * Output only. Marks the end of execution, successful or not.
      */
@@ -317,6 +321,7 @@ export namespace workflowexecutions_v1beta {
      *   // Example response
      *   // {
      *   //   "argument": "my_argument",
+     *   //   "callLogLevel": "my_callLogLevel",
      *   //   "endTime": "my_endTime",
      *   //   "error": {},
      *   //   "name": "my_name",
@@ -456,6 +461,7 @@ export namespace workflowexecutions_v1beta {
      *         // request body parameters
      *         // {
      *         //   "argument": "my_argument",
+     *         //   "callLogLevel": "my_callLogLevel",
      *         //   "endTime": "my_endTime",
      *         //   "error": {},
      *         //   "name": "my_name",
@@ -471,6 +477,7 @@ export namespace workflowexecutions_v1beta {
      *   // Example response
      *   // {
      *   //   "argument": "my_argument",
+     *   //   "callLogLevel": "my_callLogLevel",
      *   //   "endTime": "my_endTime",
      *   //   "error": {},
      *   //   "name": "my_name",
@@ -612,6 +619,7 @@ export namespace workflowexecutions_v1beta {
      *   // Example response
      *   // {
      *   //   "argument": "my_argument",
+     *   //   "callLogLevel": "my_callLogLevel",
      *   //   "endTime": "my_endTime",
      *   //   "error": {},
      *   //   "name": "my_name",