diff --git a/packages/google-cloud-tasks/src/v2/cloud_tasks_client.ts b/packages/google-cloud-tasks/src/v2/cloud_tasks_client.ts
index ed20a585387..681b0d89622 100644
--- a/packages/google-cloud-tasks/src/v2/cloud_tasks_client.ts
+++ b/packages/google-cloud-tasks/src/v2/cloud_tasks_client.ts
@@ -1012,8 +1012,12 @@ export class CloudTasksClient {
    *
    * @param {Object} request
    *   The request object that will be sent.
-   * @param {} request.
-   * @param {} request.
+   * @param {string} request.resource
+   *   REQUIRED: The resource for which the policy is being requested.
+   *   See the operation documentation for the appropriate value for this field.
+   * @param {google.iam.v1.GetPolicyOptions} request.options
+   *   OPTIONAL: A `GetPolicyOptions` object for specifying options to
+   *   `GetIamPolicy`. This field is only used by Cloud IAM.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -1102,8 +1106,14 @@ export class CloudTasksClient {
    *
    * @param {Object} request
    *   The request object that will be sent.
-   * @param {} request.
-   * @param {} request.
+   * @param {string} request.resource
+   *   REQUIRED: The resource for which the policy is being specified.
+   *   See the operation documentation for the appropriate value for this field.
+   * @param {google.iam.v1.Policy} request.policy
+   *   REQUIRED: The complete policy to be applied to the `resource`. The size of
+   *   the policy is limited to a few 10s of KB. An empty policy is a
+   *   valid policy but certain Cloud Platform services (such as Projects)
+   *   might reject them.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -1188,8 +1198,14 @@ export class CloudTasksClient {
    *
    * @param {Object} request
    *   The request object that will be sent.
-   * @param {} request.
-   * @param {} request.
+   * @param {string} request.resource
+   *   REQUIRED: The resource for which the policy detail is being requested.
+   *   See the operation documentation for the appropriate value for this field.
+   * @param {string[]} request.permissions
+   *   The set of permissions to check for the `resource`. Permissions with
+   *   wildcards (such as '*' or 'storage.*') are not allowed. For more
+   *   information see
+   *   [IAM Overview](https://cloud.google.com/iam/docs/overview#permissions).
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
diff --git a/packages/google-cloud-tasks/src/v2beta2/cloud_tasks_client.ts b/packages/google-cloud-tasks/src/v2beta2/cloud_tasks_client.ts
index 56ca7f61ab4..fa1b829adc8 100644
--- a/packages/google-cloud-tasks/src/v2beta2/cloud_tasks_client.ts
+++ b/packages/google-cloud-tasks/src/v2beta2/cloud_tasks_client.ts
@@ -1028,8 +1028,12 @@ export class CloudTasksClient {
    *
    * @param {Object} request
    *   The request object that will be sent.
-   * @param {} request.
-   * @param {} request.
+   * @param {string} request.resource
+   *   REQUIRED: The resource for which the policy is being requested.
+   *   See the operation documentation for the appropriate value for this field.
+   * @param {google.iam.v1.GetPolicyOptions} request.options
+   *   OPTIONAL: A `GetPolicyOptions` object for specifying options to
+   *   `GetIamPolicy`. This field is only used by Cloud IAM.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -1118,8 +1122,14 @@ export class CloudTasksClient {
    *
    * @param {Object} request
    *   The request object that will be sent.
-   * @param {} request.
-   * @param {} request.
+   * @param {string} request.resource
+   *   REQUIRED: The resource for which the policy is being specified.
+   *   See the operation documentation for the appropriate value for this field.
+   * @param {google.iam.v1.Policy} request.policy
+   *   REQUIRED: The complete policy to be applied to the `resource`. The size of
+   *   the policy is limited to a few 10s of KB. An empty policy is a
+   *   valid policy but certain Cloud Platform services (such as Projects)
+   *   might reject them.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -1204,8 +1214,14 @@ export class CloudTasksClient {
    *
    * @param {Object} request
    *   The request object that will be sent.
-   * @param {} request.
-   * @param {} request.
+   * @param {string} request.resource
+   *   REQUIRED: The resource for which the policy detail is being requested.
+   *   See the operation documentation for the appropriate value for this field.
+   * @param {string[]} request.permissions
+   *   The set of permissions to check for the `resource`. Permissions with
+   *   wildcards (such as '*' or 'storage.*') are not allowed. For more
+   *   information see
+   *   [IAM Overview](https://cloud.google.com/iam/docs/overview#permissions).
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
diff --git a/packages/google-cloud-tasks/src/v2beta3/cloud_tasks_client.ts b/packages/google-cloud-tasks/src/v2beta3/cloud_tasks_client.ts
index f8074ec395c..b1560d61e8b 100644
--- a/packages/google-cloud-tasks/src/v2beta3/cloud_tasks_client.ts
+++ b/packages/google-cloud-tasks/src/v2beta3/cloud_tasks_client.ts
@@ -1024,8 +1024,12 @@ export class CloudTasksClient {
    *
    * @param {Object} request
    *   The request object that will be sent.
-   * @param {} request.
-   * @param {} request.
+   * @param {string} request.resource
+   *   REQUIRED: The resource for which the policy is being requested.
+   *   See the operation documentation for the appropriate value for this field.
+   * @param {google.iam.v1.GetPolicyOptions} request.options
+   *   OPTIONAL: A `GetPolicyOptions` object for specifying options to
+   *   `GetIamPolicy`. This field is only used by Cloud IAM.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -1114,8 +1118,14 @@ export class CloudTasksClient {
    *
    * @param {Object} request
    *   The request object that will be sent.
-   * @param {} request.
-   * @param {} request.
+   * @param {string} request.resource
+   *   REQUIRED: The resource for which the policy is being specified.
+   *   See the operation documentation for the appropriate value for this field.
+   * @param {google.iam.v1.Policy} request.policy
+   *   REQUIRED: The complete policy to be applied to the `resource`. The size of
+   *   the policy is limited to a few 10s of KB. An empty policy is a
+   *   valid policy but certain Cloud Platform services (such as Projects)
+   *   might reject them.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -1200,8 +1210,14 @@ export class CloudTasksClient {
    *
    * @param {Object} request
    *   The request object that will be sent.
-   * @param {} request.
-   * @param {} request.
+   * @param {string} request.resource
+   *   REQUIRED: The resource for which the policy detail is being requested.
+   *   See the operation documentation for the appropriate value for this field.
+   * @param {string[]} request.permissions
+   *   The set of permissions to check for the `resource`. Permissions with
+   *   wildcards (such as '*' or 'storage.*') are not allowed. For more
+   *   information see
+   *   [IAM Overview](https://cloud.google.com/iam/docs/overview#permissions).
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
diff --git a/packages/google-cloud-tasks/synth.metadata b/packages/google-cloud-tasks/synth.metadata
index 7aa3a91b1db..53502bb3d79 100644
--- a/packages/google-cloud-tasks/synth.metadata
+++ b/packages/google-cloud-tasks/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-tasks.git",
-        "sha": "b6d37271e851b3b25de97cb66286b7b9fac0d924"
+        "sha": "0b9fc44b8e748572ae915806811e683c075c23e9"
       }
     },
     {