diff --git a/discovery/iam-v1.json b/discovery/iam-v1.json
index 4fcec36827..f6c2dd32e0 100644
--- a/discovery/iam-v1.json
+++ b/discovery/iam-v1.json
@@ -3216,7 +3216,7 @@
       }
     }
   },
-  "revision": "20240523",
+  "revision": "20240530",
   "rootUrl": "https://iam.googleapis.com/",
   "schemas": {
     "AccessRestrictions": {
@@ -4053,7 +4053,7 @@
       "type": "object"
     },
     "OauthClient": {
-      "description": "Represents an OauthClient. Used to access Google Cloud resources on behave of a user by using OAuth 2.0 Protocol to obtain an access token from Google Cloud Platform.",
+      "description": "Represents an OauthClient. Used to access Google Cloud resources on behalf of a Workforce Identity Federation user by using OAuth 2.0 Protocol to obtain an access token from Google Cloud.",
       "id": "OauthClient",
       "properties": {
         "allowedGrantTypes": {
@@ -4081,7 +4081,7 @@
           "type": "array"
         },
         "allowedScopes": {
-          "description": "Required. The list of scopes that the OauthClient is allowed to request during OAuth flows. The following scopes are supported: * `https://www.googleapis.com/auth/cloud-platform`: See, edit, configure, and delete your Google Cloud data and see the email address for your Google Account. * `openid`: Associate you with your personal info on Google Cloud. * `email`: See your Google Cloud Account email address.",
+          "description": "Required. The list of scopes that the OauthClient is allowed to request during OAuth flows. The following scopes are supported: * `https://www.googleapis.com/auth/cloud-platform`: See, edit, configure, and delete your Google Cloud data and see the email address for your Google Account.",
           "items": {
             "type": "string"
           },
diff --git a/discovery/iam-v2.json b/discovery/iam-v2.json
index db0cc7325e..684884e19a 100644
--- a/discovery/iam-v2.json
+++ b/discovery/iam-v2.json
@@ -293,7 +293,7 @@
       }
     }
   },
-  "revision": "20240314",
+  "revision": "20240530",
   "rootUrl": "https://iam.googleapis.com/",
   "schemas": {
     "CloudControl2SharedOperationsReconciliationOperationMetadata": {
@@ -611,6 +611,182 @@
       },
       "type": "object"
     },
+    "GoogleIamV3OperationMetadata": {
+      "description": "Represents the metadata of the long-running operation.",
+      "id": "GoogleIamV3OperationMetadata",
+      "properties": {
+        "apiVersion": {
+          "description": "Output only. API version used to start the operation.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "createTime": {
+          "description": "Output only. The time the operation was created.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "endTime": {
+          "description": "Output only. The time the operation finished running.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "requestedCancellation": {
+          "description": "Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.",
+          "readOnly": true,
+          "type": "boolean"
+        },
+        "statusMessage": {
+          "description": "Output only. Human-readable status of the operation, if any.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "target": {
+          "description": "Output only. Server-defined resource path for the target of the",
+          "readOnly": true,
+          "type": "string"
+        },
+        "verb": {
+          "description": "Output only. Name of the verb executed by the operation.",
+          "readOnly": true,
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "GoogleIamV3alphaOperationMetadata": {
+      "description": "Represents the metadata of the long-running operation.",
+      "id": "GoogleIamV3alphaOperationMetadata",
+      "properties": {
+        "apiVersion": {
+          "description": "Output only. API version used to start the operation.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "createTime": {
+          "description": "Output only. The time the operation was created.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "endTime": {
+          "description": "Output only. The time the operation finished running.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "requestedCancellation": {
+          "description": "Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.",
+          "readOnly": true,
+          "type": "boolean"
+        },
+        "statusMessage": {
+          "description": "Output only. Human-readable status of the operation, if any.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "target": {
+          "description": "Output only. Server-defined resource path for the target of the",
+          "readOnly": true,
+          "type": "string"
+        },
+        "verb": {
+          "description": "Output only. Name of the verb executed by the operation.",
+          "readOnly": true,
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "GoogleIamV3betaOperationMetadata": {
+      "description": "Represents the metadata of the long-running operation.",
+      "id": "GoogleIamV3betaOperationMetadata",
+      "properties": {
+        "apiVersion": {
+          "description": "Output only. API version used to start the operation.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "createTime": {
+          "description": "Output only. The time the operation was created.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "endTime": {
+          "description": "Output only. The time the operation finished running.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "requestedCancellation": {
+          "description": "Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.",
+          "readOnly": true,
+          "type": "boolean"
+        },
+        "statusMessage": {
+          "description": "Output only. Human-readable status of the operation, if any.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "target": {
+          "description": "Output only. Server-defined resource path for the target of the",
+          "readOnly": true,
+          "type": "string"
+        },
+        "verb": {
+          "description": "Output only. Name of the verb executed by the operation.",
+          "readOnly": true,
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "GoogleIamV3mainOperationMetadata": {
+      "description": "Represents the metadata of the long-running operation.",
+      "id": "GoogleIamV3mainOperationMetadata",
+      "properties": {
+        "apiVersion": {
+          "description": "Output only. API version used to start the operation.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "createTime": {
+          "description": "Output only. The time the operation was created.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "endTime": {
+          "description": "Output only. The time the operation finished running.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "requestedCancellation": {
+          "description": "Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.",
+          "readOnly": true,
+          "type": "boolean"
+        },
+        "statusMessage": {
+          "description": "Output only. Human-readable status of the operation, if any.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "target": {
+          "description": "Output only. Server-defined resource path for the target of the",
+          "readOnly": true,
+          "type": "string"
+        },
+        "verb": {
+          "description": "Output only. Name of the verb executed by the operation.",
+          "readOnly": true,
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "GoogleLongrunningOperation": {
       "description": "This resource represents a long-running operation that is the result of a network API call.",
       "id": "GoogleLongrunningOperation",
diff --git a/discovery/iam-v2beta.json b/discovery/iam-v2beta.json
index 11a11f94af..5decb5ae06 100644
--- a/discovery/iam-v2beta.json
+++ b/discovery/iam-v2beta.json
@@ -293,7 +293,7 @@
       }
     }
   },
-  "revision": "20240314",
+  "revision": "20240530",
   "rootUrl": "https://iam.googleapis.com/",
   "schemas": {
     "CloudControl2SharedOperationsReconciliationOperationMetadata": {
@@ -611,6 +611,182 @@
       },
       "type": "object"
     },
+    "GoogleIamV3OperationMetadata": {
+      "description": "Represents the metadata of the long-running operation.",
+      "id": "GoogleIamV3OperationMetadata",
+      "properties": {
+        "apiVersion": {
+          "description": "Output only. API version used to start the operation.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "createTime": {
+          "description": "Output only. The time the operation was created.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "endTime": {
+          "description": "Output only. The time the operation finished running.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "requestedCancellation": {
+          "description": "Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.",
+          "readOnly": true,
+          "type": "boolean"
+        },
+        "statusMessage": {
+          "description": "Output only. Human-readable status of the operation, if any.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "target": {
+          "description": "Output only. Server-defined resource path for the target of the",
+          "readOnly": true,
+          "type": "string"
+        },
+        "verb": {
+          "description": "Output only. Name of the verb executed by the operation.",
+          "readOnly": true,
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "GoogleIamV3alphaOperationMetadata": {
+      "description": "Represents the metadata of the long-running operation.",
+      "id": "GoogleIamV3alphaOperationMetadata",
+      "properties": {
+        "apiVersion": {
+          "description": "Output only. API version used to start the operation.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "createTime": {
+          "description": "Output only. The time the operation was created.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "endTime": {
+          "description": "Output only. The time the operation finished running.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "requestedCancellation": {
+          "description": "Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.",
+          "readOnly": true,
+          "type": "boolean"
+        },
+        "statusMessage": {
+          "description": "Output only. Human-readable status of the operation, if any.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "target": {
+          "description": "Output only. Server-defined resource path for the target of the",
+          "readOnly": true,
+          "type": "string"
+        },
+        "verb": {
+          "description": "Output only. Name of the verb executed by the operation.",
+          "readOnly": true,
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "GoogleIamV3betaOperationMetadata": {
+      "description": "Represents the metadata of the long-running operation.",
+      "id": "GoogleIamV3betaOperationMetadata",
+      "properties": {
+        "apiVersion": {
+          "description": "Output only. API version used to start the operation.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "createTime": {
+          "description": "Output only. The time the operation was created.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "endTime": {
+          "description": "Output only. The time the operation finished running.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "requestedCancellation": {
+          "description": "Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.",
+          "readOnly": true,
+          "type": "boolean"
+        },
+        "statusMessage": {
+          "description": "Output only. Human-readable status of the operation, if any.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "target": {
+          "description": "Output only. Server-defined resource path for the target of the",
+          "readOnly": true,
+          "type": "string"
+        },
+        "verb": {
+          "description": "Output only. Name of the verb executed by the operation.",
+          "readOnly": true,
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "GoogleIamV3mainOperationMetadata": {
+      "description": "Represents the metadata of the long-running operation.",
+      "id": "GoogleIamV3mainOperationMetadata",
+      "properties": {
+        "apiVersion": {
+          "description": "Output only. API version used to start the operation.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "createTime": {
+          "description": "Output only. The time the operation was created.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "endTime": {
+          "description": "Output only. The time the operation finished running.",
+          "format": "google-datetime",
+          "readOnly": true,
+          "type": "string"
+        },
+        "requestedCancellation": {
+          "description": "Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.",
+          "readOnly": true,
+          "type": "boolean"
+        },
+        "statusMessage": {
+          "description": "Output only. Human-readable status of the operation, if any.",
+          "readOnly": true,
+          "type": "string"
+        },
+        "target": {
+          "description": "Output only. Server-defined resource path for the target of the",
+          "readOnly": true,
+          "type": "string"
+        },
+        "verb": {
+          "description": "Output only. Name of the verb executed by the operation.",
+          "readOnly": true,
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "GoogleLongrunningOperation": {
       "description": "This resource represents a long-running operation that is the result of a network API call.",
       "id": "GoogleLongrunningOperation",
diff --git a/src/apis/iam/v1.ts b/src/apis/iam/v1.ts
index 85cbb9f855..efef97be26 100644
--- a/src/apis/iam/v1.ts
+++ b/src/apis/iam/v1.ts
@@ -686,7 +686,7 @@ export namespace iam_v1 {
     workloadIdentityPools?: Schema$WorkloadIdentityPool[];
   }
   /**
-   * Represents an OauthClient. Used to access Google Cloud resources on behave of a user by using OAuth 2.0 Protocol to obtain an access token from Google Cloud Platform.
+   * Represents an OauthClient. Used to access Google Cloud resources on behalf of a Workforce Identity Federation user by using OAuth 2.0 Protocol to obtain an access token from Google Cloud.
    */
   export interface Schema$OauthClient {
     /**
@@ -698,7 +698,7 @@ export namespace iam_v1 {
      */
     allowedRedirectUris?: string[] | null;
     /**
-     * Required. The list of scopes that the OauthClient is allowed to request during OAuth flows. The following scopes are supported: * `https://www.googleapis.com/auth/cloud-platform`: See, edit, configure, and delete your Google Cloud data and see the email address for your Google Account. * `openid`: Associate you with your personal info on Google Cloud. * `email`: See your Google Cloud Account email address.
+     * Required. The list of scopes that the OauthClient is allowed to request during OAuth flows. The following scopes are supported: * `https://www.googleapis.com/auth/cloud-platform`: See, edit, configure, and delete your Google Cloud data and see the email address for your Google Account.
      */
     allowedScopes?: string[] | null;
     /**
diff --git a/src/apis/iam/v2.ts b/src/apis/iam/v2.ts
index 28ab6fe05d..ad19e89ffe 100644
--- a/src/apis/iam/v2.ts
+++ b/src/apis/iam/v2.ts
@@ -340,6 +340,138 @@ export namespace iam_v2 {
      */
     description?: string | null;
   }
+  /**
+   * Represents the metadata of the long-running operation.
+   */
+  export interface Schema$GoogleIamV3alphaOperationMetadata {
+    /**
+     * Output only. API version used to start the operation.
+     */
+    apiVersion?: string | null;
+    /**
+     * Output only. The time the operation was created.
+     */
+    createTime?: string | null;
+    /**
+     * Output only. The time the operation finished running.
+     */
+    endTime?: string | null;
+    /**
+     * Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+     */
+    requestedCancellation?: boolean | null;
+    /**
+     * Output only. Human-readable status of the operation, if any.
+     */
+    statusMessage?: string | null;
+    /**
+     * Output only. Server-defined resource path for the target of the
+     */
+    target?: string | null;
+    /**
+     * Output only. Name of the verb executed by the operation.
+     */
+    verb?: string | null;
+  }
+  /**
+   * Represents the metadata of the long-running operation.
+   */
+  export interface Schema$GoogleIamV3betaOperationMetadata {
+    /**
+     * Output only. API version used to start the operation.
+     */
+    apiVersion?: string | null;
+    /**
+     * Output only. The time the operation was created.
+     */
+    createTime?: string | null;
+    /**
+     * Output only. The time the operation finished running.
+     */
+    endTime?: string | null;
+    /**
+     * Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+     */
+    requestedCancellation?: boolean | null;
+    /**
+     * Output only. Human-readable status of the operation, if any.
+     */
+    statusMessage?: string | null;
+    /**
+     * Output only. Server-defined resource path for the target of the
+     */
+    target?: string | null;
+    /**
+     * Output only. Name of the verb executed by the operation.
+     */
+    verb?: string | null;
+  }
+  /**
+   * Represents the metadata of the long-running operation.
+   */
+  export interface Schema$GoogleIamV3mainOperationMetadata {
+    /**
+     * Output only. API version used to start the operation.
+     */
+    apiVersion?: string | null;
+    /**
+     * Output only. The time the operation was created.
+     */
+    createTime?: string | null;
+    /**
+     * Output only. The time the operation finished running.
+     */
+    endTime?: string | null;
+    /**
+     * Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+     */
+    requestedCancellation?: boolean | null;
+    /**
+     * Output only. Human-readable status of the operation, if any.
+     */
+    statusMessage?: string | null;
+    /**
+     * Output only. Server-defined resource path for the target of the
+     */
+    target?: string | null;
+    /**
+     * Output only. Name of the verb executed by the operation.
+     */
+    verb?: string | null;
+  }
+  /**
+   * Represents the metadata of the long-running operation.
+   */
+  export interface Schema$GoogleIamV3OperationMetadata {
+    /**
+     * Output only. API version used to start the operation.
+     */
+    apiVersion?: string | null;
+    /**
+     * Output only. The time the operation was created.
+     */
+    createTime?: string | null;
+    /**
+     * Output only. The time the operation finished running.
+     */
+    endTime?: string | null;
+    /**
+     * Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+     */
+    requestedCancellation?: boolean | null;
+    /**
+     * Output only. Human-readable status of the operation, if any.
+     */
+    statusMessage?: string | null;
+    /**
+     * Output only. Server-defined resource path for the target of the
+     */
+    target?: string | null;
+    /**
+     * Output only. Name of the verb executed by the operation.
+     */
+    verb?: string | null;
+  }
   /**
    * This resource represents a long-running operation that is the result of a network API call.
    */
diff --git a/src/apis/iam/v2beta.ts b/src/apis/iam/v2beta.ts
index bad4ad42b4..d528471ec7 100644
--- a/src/apis/iam/v2beta.ts
+++ b/src/apis/iam/v2beta.ts
@@ -340,6 +340,138 @@ export namespace iam_v2beta {
      */
     description?: string | null;
   }
+  /**
+   * Represents the metadata of the long-running operation.
+   */
+  export interface Schema$GoogleIamV3alphaOperationMetadata {
+    /**
+     * Output only. API version used to start the operation.
+     */
+    apiVersion?: string | null;
+    /**
+     * Output only. The time the operation was created.
+     */
+    createTime?: string | null;
+    /**
+     * Output only. The time the operation finished running.
+     */
+    endTime?: string | null;
+    /**
+     * Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+     */
+    requestedCancellation?: boolean | null;
+    /**
+     * Output only. Human-readable status of the operation, if any.
+     */
+    statusMessage?: string | null;
+    /**
+     * Output only. Server-defined resource path for the target of the
+     */
+    target?: string | null;
+    /**
+     * Output only. Name of the verb executed by the operation.
+     */
+    verb?: string | null;
+  }
+  /**
+   * Represents the metadata of the long-running operation.
+   */
+  export interface Schema$GoogleIamV3betaOperationMetadata {
+    /**
+     * Output only. API version used to start the operation.
+     */
+    apiVersion?: string | null;
+    /**
+     * Output only. The time the operation was created.
+     */
+    createTime?: string | null;
+    /**
+     * Output only. The time the operation finished running.
+     */
+    endTime?: string | null;
+    /**
+     * Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+     */
+    requestedCancellation?: boolean | null;
+    /**
+     * Output only. Human-readable status of the operation, if any.
+     */
+    statusMessage?: string | null;
+    /**
+     * Output only. Server-defined resource path for the target of the
+     */
+    target?: string | null;
+    /**
+     * Output only. Name of the verb executed by the operation.
+     */
+    verb?: string | null;
+  }
+  /**
+   * Represents the metadata of the long-running operation.
+   */
+  export interface Schema$GoogleIamV3mainOperationMetadata {
+    /**
+     * Output only. API version used to start the operation.
+     */
+    apiVersion?: string | null;
+    /**
+     * Output only. The time the operation was created.
+     */
+    createTime?: string | null;
+    /**
+     * Output only. The time the operation finished running.
+     */
+    endTime?: string | null;
+    /**
+     * Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+     */
+    requestedCancellation?: boolean | null;
+    /**
+     * Output only. Human-readable status of the operation, if any.
+     */
+    statusMessage?: string | null;
+    /**
+     * Output only. Server-defined resource path for the target of the
+     */
+    target?: string | null;
+    /**
+     * Output only. Name of the verb executed by the operation.
+     */
+    verb?: string | null;
+  }
+  /**
+   * Represents the metadata of the long-running operation.
+   */
+  export interface Schema$GoogleIamV3OperationMetadata {
+    /**
+     * Output only. API version used to start the operation.
+     */
+    apiVersion?: string | null;
+    /**
+     * Output only. The time the operation was created.
+     */
+    createTime?: string | null;
+    /**
+     * Output only. The time the operation finished running.
+     */
+    endTime?: string | null;
+    /**
+     * Output only. Identifies whether the user has requested cancellation of the operation. Operations that have successfully been cancelled have Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+     */
+    requestedCancellation?: boolean | null;
+    /**
+     * Output only. Human-readable status of the operation, if any.
+     */
+    statusMessage?: string | null;
+    /**
+     * Output only. Server-defined resource path for the target of the
+     */
+    target?: string | null;
+    /**
+     * Output only. Name of the verb executed by the operation.
+     */
+    verb?: string | null;
+  }
   /**
    * This resource represents a long-running operation that is the result of a network API call.
    */