diff --git a/discovery/cloudtasks-v2.json b/discovery/cloudtasks-v2.json
index fe624891b5f..8129b1fb02e 100644
--- a/discovery/cloudtasks-v2.json
+++ b/discovery/cloudtasks-v2.json
@@ -685,7 +685,7 @@
       }
     }
   },
-  "revision": "20200804",
+  "revision": "20200924",
   "rootUrl": "https://cloudtasks.googleapis.com/",
   "schemas": {
     "AppEngineHttpRequest": {
@@ -792,6 +792,10 @@
       "description": "Associates `members` with a `role`.",
       "id": "Binding",
       "properties": {
+        "bindingId": {
+          "description": "A client-specified ID for this binding. Expected to be globally unique to support the internal bindings-by-ID API.",
+          "type": "string"
+        },
         "condition": {
           "$ref": "Expr",
           "description": "The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies)."
diff --git a/discovery/cloudtasks-v2beta2.json b/discovery/cloudtasks-v2beta2.json
index e3aa7d35258..c5645e3fc8e 100644
--- a/discovery/cloudtasks-v2beta2.json
+++ b/discovery/cloudtasks-v2beta2.json
@@ -803,7 +803,7 @@
       }
     }
   },
-  "revision": "20200804",
+  "revision": "20200924",
   "rootUrl": "https://cloudtasks.googleapis.com/",
   "schemas": {
     "AcknowledgeTaskRequest": {
@@ -929,6 +929,10 @@
       "description": "Associates `members` with a `role`.",
       "id": "Binding",
       "properties": {
+        "bindingId": {
+          "description": "A client-specified ID for this binding. Expected to be globally unique to support the internal bindings-by-ID API.",
+          "type": "string"
+        },
         "condition": {
           "$ref": "Expr",
           "description": "The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies)."
@@ -1298,7 +1302,7 @@
       "id": "RateLimits",
       "properties": {
         "maxBurstSize": {
-          "description": "Output only. The max burst size. Max burst size limits how fast tasks in queue are processed when many tasks are in the queue and the rate is high. This field allows the queue to have a high rate so processing starts shortly after a task is enqueued, but still limits resource usage when many tasks are enqueued in a short period of time. The [token bucket](https://wikipedia.org/wiki/Token_Bucket) algorithm is used to control the rate of task dispatches. Each queue has a token bucket that holds tokens, up to the maximum specified by `max_burst_size`. Each time a task is dispatched, a token is removed from the bucket. Tasks will be dispatched until the queue's bucket runs out of tokens. The bucket will be continuously refilled with new tokens based on max_tasks_dispatched_per_second. Cloud Tasks will pick the value of `max_burst_size` based on the value of max_tasks_dispatched_per_second. For App Engine queues that were created or updated using `queue.yaml/xml`, `max_burst_size` is equal to [bucket_size](https://cloud.google.com/appengine/docs/standard/python/config/queueref#bucket_size). Since `max_burst_size` is output only, if UpdateQueue is called on a queue created by `queue.yaml/xml`, `max_burst_size` will be reset based on the value of max_tasks_dispatched_per_second, regardless of whether max_tasks_dispatched_per_second is updated. ",
+          "description": "The max burst size. Max burst size limits how fast tasks in queue are processed when many tasks are in the queue and the rate is high. This field allows the queue to have a high rate so processing starts shortly after a task is enqueued, but still limits resource usage when many tasks are enqueued in a short period of time. The [token bucket](https://wikipedia.org/wiki/Token_Bucket) algorithm is used to control the rate of task dispatches. Each queue has a token bucket that holds tokens, up to the maximum specified by `max_burst_size`. Each time a task is dispatched, a token is removed from the bucket. Tasks will be dispatched until the queue's bucket runs out of tokens. The bucket will be continuously refilled with new tokens based on max_dispatches_per_second. The default value of `max_burst_size` is picked by Cloud Tasks based on the value of max_dispatches_per_second. The maximum value of `max_burst_size` is 500. For App Engine queues that were created or updated using `queue.yaml/xml`, `max_burst_size` is equal to [bucket_size](https://cloud.google.com/appengine/docs/standard/python/config/queueref#bucket_size). If UpdateQueue is called on a queue without explicitly setting a value for `max_burst_size`, `max_burst_size` value will get updated if UpdateQueue is updating max_dispatches_per_second. ",
           "format": "int32",
           "type": "integer"
         },
diff --git a/discovery/cloudtasks-v2beta3.json b/discovery/cloudtasks-v2beta3.json
index b8403f8c7bd..41f23add08b 100644
--- a/discovery/cloudtasks-v2beta3.json
+++ b/discovery/cloudtasks-v2beta3.json
@@ -685,7 +685,7 @@
       }
     }
   },
-  "revision": "20200804",
+  "revision": "20200924",
   "rootUrl": "https://cloudtasks.googleapis.com/",
   "schemas": {
     "AppEngineHttpQueue": {
@@ -803,6 +803,10 @@
       "description": "Associates `members` with a `role`.",
       "id": "Binding",
       "properties": {
+        "bindingId": {
+          "description": "A client-specified ID for this binding. Expected to be globally unique to support the internal bindings-by-ID API.",
+          "type": "string"
+        },
         "condition": {
           "$ref": "Expr",
           "description": "The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies)."
@@ -1174,7 +1178,7 @@
       "id": "RateLimits",
       "properties": {
         "maxBurstSize": {
-          "description": "Output only. The max burst size. Max burst size limits how fast tasks in queue are processed when many tasks are in the queue and the rate is high. This field allows the queue to have a high rate so processing starts shortly after a task is enqueued, but still limits resource usage when many tasks are enqueued in a short period of time. The [token bucket](https://wikipedia.org/wiki/Token_Bucket) algorithm is used to control the rate of task dispatches. Each queue has a token bucket that holds tokens, up to the maximum specified by `max_burst_size`. Each time a task is dispatched, a token is removed from the bucket. Tasks will be dispatched until the queue's bucket runs out of tokens. The bucket will be continuously refilled with new tokens based on max_dispatches_per_second. Cloud Tasks will pick the value of `max_burst_size` based on the value of max_dispatches_per_second. For App Engine queues that were created or updated using `queue.yaml/xml`, `max_burst_size` is equal to [bucket_size](https://cloud.google.com/appengine/docs/standard/python/config/queueref#bucket_size). Since `max_burst_size` is output only, if UpdateQueue is called on a queue created by `queue.yaml/xml`, `max_burst_size` will be reset based on the value of max_dispatches_per_second, regardless of whether max_dispatches_per_second is updated. ",
+          "description": "The max burst size. Max burst size limits how fast tasks in queue are processed when many tasks are in the queue and the rate is high. This field allows the queue to have a high rate so processing starts shortly after a task is enqueued, but still limits resource usage when many tasks are enqueued in a short period of time. The [token bucket](https://wikipedia.org/wiki/Token_Bucket) algorithm is used to control the rate of task dispatches. Each queue has a token bucket that holds tokens, up to the maximum specified by `max_burst_size`. Each time a task is dispatched, a token is removed from the bucket. Tasks will be dispatched until the queue's bucket runs out of tokens. The bucket will be continuously refilled with new tokens based on max_dispatches_per_second. The default value of `max_burst_size` is picked by Cloud Tasks based on the value of max_dispatches_per_second. The maximum value of `max_burst_size` is 500. For App Engine queues that were created or updated using `queue.yaml/xml`, `max_burst_size` is equal to [bucket_size](https://cloud.google.com/appengine/docs/standard/python/config/queueref#bucket_size). If UpdateQueue is called on a queue without explicitly setting a value for `max_burst_size`, `max_burst_size` value will get updated if UpdateQueue is updating max_dispatches_per_second. ",
           "format": "int32",
           "type": "integer"
         },
diff --git a/src/apis/cloudtasks/v2.ts b/src/apis/cloudtasks/v2.ts
index e3c4ffe45f5..f643e6ba488 100644
--- a/src/apis/cloudtasks/v2.ts
+++ b/src/apis/cloudtasks/v2.ts
@@ -198,6 +198,10 @@ export namespace cloudtasks_v2 {
    * Associates `members` with a `role`.
    */
   export interface Schema$Binding {
+    /**
+     * A client-specified ID for this binding. Expected to be globally unique to support the internal bindings-by-ID API.
+     */
+    bindingId?: string | null;
     /**
      * The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
      */
diff --git a/src/apis/cloudtasks/v2beta2.ts b/src/apis/cloudtasks/v2beta2.ts
index 43221a499b9..b787e7c65b0 100644
--- a/src/apis/cloudtasks/v2beta2.ts
+++ b/src/apis/cloudtasks/v2beta2.ts
@@ -216,6 +216,10 @@ export namespace cloudtasks_v2beta2 {
    * Associates `members` with a `role`.
    */
   export interface Schema$Binding {
+    /**
+     * A client-specified ID for this binding. Expected to be globally unique to support the internal bindings-by-ID API.
+     */
+    bindingId?: string | null;
     /**
      * The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
      */
@@ -472,7 +476,7 @@ export namespace cloudtasks_v2beta2 {
    */
   export interface Schema$RateLimits {
     /**
-     * Output only. The max burst size. Max burst size limits how fast tasks in queue are processed when many tasks are in the queue and the rate is high. This field allows the queue to have a high rate so processing starts shortly after a task is enqueued, but still limits resource usage when many tasks are enqueued in a short period of time. The [token bucket](https://wikipedia.org/wiki/Token_Bucket) algorithm is used to control the rate of task dispatches. Each queue has a token bucket that holds tokens, up to the maximum specified by `max_burst_size`. Each time a task is dispatched, a token is removed from the bucket. Tasks will be dispatched until the queue's bucket runs out of tokens. The bucket will be continuously refilled with new tokens based on max_tasks_dispatched_per_second. Cloud Tasks will pick the value of `max_burst_size` based on the value of max_tasks_dispatched_per_second. For App Engine queues that were created or updated using `queue.yaml/xml`, `max_burst_size` is equal to [bucket_size](https://cloud.google.com/appengine/docs/standard/python/config/queueref#bucket_size). Since `max_burst_size` is output only, if UpdateQueue is called on a queue created by `queue.yaml/xml`, `max_burst_size` will be reset based on the value of max_tasks_dispatched_per_second, regardless of whether max_tasks_dispatched_per_second is updated.
+     * The max burst size. Max burst size limits how fast tasks in queue are processed when many tasks are in the queue and the rate is high. This field allows the queue to have a high rate so processing starts shortly after a task is enqueued, but still limits resource usage when many tasks are enqueued in a short period of time. The [token bucket](https://wikipedia.org/wiki/Token_Bucket) algorithm is used to control the rate of task dispatches. Each queue has a token bucket that holds tokens, up to the maximum specified by `max_burst_size`. Each time a task is dispatched, a token is removed from the bucket. Tasks will be dispatched until the queue's bucket runs out of tokens. The bucket will be continuously refilled with new tokens based on max_dispatches_per_second. The default value of `max_burst_size` is picked by Cloud Tasks based on the value of max_dispatches_per_second. The maximum value of `max_burst_size` is 500. For App Engine queues that were created or updated using `queue.yaml/xml`, `max_burst_size` is equal to [bucket_size](https://cloud.google.com/appengine/docs/standard/python/config/queueref#bucket_size). If UpdateQueue is called on a queue without explicitly setting a value for `max_burst_size`, `max_burst_size` value will get updated if UpdateQueue is updating max_dispatches_per_second.
      */
     maxBurstSize?: number | null;
     /**
diff --git a/src/apis/cloudtasks/v2beta3.ts b/src/apis/cloudtasks/v2beta3.ts
index 5a1958ee286..3178503dd0f 100644
--- a/src/apis/cloudtasks/v2beta3.ts
+++ b/src/apis/cloudtasks/v2beta3.ts
@@ -207,6 +207,10 @@ export namespace cloudtasks_v2beta3 {
    * Associates `members` with a `role`.
    */
   export interface Schema$Binding {
+    /**
+     * A client-specified ID for this binding. Expected to be globally unique to support the internal bindings-by-ID API.
+     */
+    bindingId?: string | null;
     /**
      * The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
      */
@@ -462,7 +466,7 @@ export namespace cloudtasks_v2beta3 {
    */
   export interface Schema$RateLimits {
     /**
-     * Output only. The max burst size. Max burst size limits how fast tasks in queue are processed when many tasks are in the queue and the rate is high. This field allows the queue to have a high rate so processing starts shortly after a task is enqueued, but still limits resource usage when many tasks are enqueued in a short period of time. The [token bucket](https://wikipedia.org/wiki/Token_Bucket) algorithm is used to control the rate of task dispatches. Each queue has a token bucket that holds tokens, up to the maximum specified by `max_burst_size`. Each time a task is dispatched, a token is removed from the bucket. Tasks will be dispatched until the queue's bucket runs out of tokens. The bucket will be continuously refilled with new tokens based on max_dispatches_per_second. Cloud Tasks will pick the value of `max_burst_size` based on the value of max_dispatches_per_second. For App Engine queues that were created or updated using `queue.yaml/xml`, `max_burst_size` is equal to [bucket_size](https://cloud.google.com/appengine/docs/standard/python/config/queueref#bucket_size). Since `max_burst_size` is output only, if UpdateQueue is called on a queue created by `queue.yaml/xml`, `max_burst_size` will be reset based on the value of max_dispatches_per_second, regardless of whether max_dispatches_per_second is updated.
+     * The max burst size. Max burst size limits how fast tasks in queue are processed when many tasks are in the queue and the rate is high. This field allows the queue to have a high rate so processing starts shortly after a task is enqueued, but still limits resource usage when many tasks are enqueued in a short period of time. The [token bucket](https://wikipedia.org/wiki/Token_Bucket) algorithm is used to control the rate of task dispatches. Each queue has a token bucket that holds tokens, up to the maximum specified by `max_burst_size`. Each time a task is dispatched, a token is removed from the bucket. Tasks will be dispatched until the queue's bucket runs out of tokens. The bucket will be continuously refilled with new tokens based on max_dispatches_per_second. The default value of `max_burst_size` is picked by Cloud Tasks based on the value of max_dispatches_per_second. The maximum value of `max_burst_size` is 500. For App Engine queues that were created or updated using `queue.yaml/xml`, `max_burst_size` is equal to [bucket_size](https://cloud.google.com/appengine/docs/standard/python/config/queueref#bucket_size). If UpdateQueue is called on a queue without explicitly setting a value for `max_burst_size`, `max_burst_size` value will get updated if UpdateQueue is updating max_dispatches_per_second.
      */
     maxBurstSize?: number | null;
     /**