diff --git a/api/@ohos.notification.d.ts b/api/@ohos.notification.d.ts
index b93b0ba93a7869bbc205b75d2230524c3661c3c4..4722d4e126c824a03d2c91da8e7f77e394dfddbb 100644
--- a/api/@ohos.notification.d.ts
+++ b/api/@ohos.notification.d.ts
@@ -62,6 +62,21 @@ declare namespace notification {
    function publish(request: NotificationRequest, userId: number, callback: AsyncCallback<void>): void;
    function publish(request: NotificationRequest, userId: number): Promise<void>;
 
+  /**
+   * Publishes a representative notification.
+   *
+   * @since 9
+   * @param request a notification.
+   * @param representativeBundle bundle name of the representative
+   * @param userId userid of the representative
+   * @systemapi Hide this for inner system use.
+   * @permission ohos.permission.NOTIFICATION_CONTROLLER
+   * @permission ohos.permission.NOTIFICATION_AGENT_CONTROLLER
+   *
+   */
+    function publishAsBundle(request: NotificationRequest, representativeBundle: string, userId: number, callback: AsyncCallback<void>): void;
+    function publishAsBundle(request: NotificationRequest, representativeBundle: string, userId: number): Promise<void>;
+
   /**
    * Cancels a notification with the specified ID.
    *
@@ -80,6 +95,20 @@ declare namespace notification {
   function cancel(id: number, label: string, callback: AsyncCallback<void>): void;
   function cancel(id: number, label?: string): Promise<void>;
 
+  /**
+   * Cancels a representative notification.
+   *
+   * @since 9
+   * @param id ID of the notification to cancel, which must be unique in the application.
+   * @param representativeBundle bundle name of the representative
+   * @param userId userid of the representative
+   * @param callback callback function
+   * @permission ohos.permission.NOTIFICATION_CONTROLLER
+   * @permission ohos.permission.NOTIFICATION_AGENT_CONTROLLER
+   */
+  function cancelAsBundle(id: number, representativeBundle: string, userId: number, callback: AsyncCallback<void>): void;
+  function cancelAsBundle(id: number, representativeBundle: string, userId: number): Promise<void>;
+
   /**
    * Cancels all notifications of the current application.
    */
@@ -679,6 +708,26 @@ declare namespace notification {
   function getDeviceRemindType(callback: AsyncCallback<DeviceRemindType>): void;
   function getDeviceRemindType(): Promise<DeviceRemindType>;
 
+  /**
+   * Set whether the application slot is enabled.
+   *
+   * @since 9
+   * @systemapi Hide this for inner system use.
+   * @permission ohos.permission.NOTIFICATION_CONTROLLER
+   */
+   function enableNotificationSlot(bundle: BundleOption, type: SlotType, enable: boolean, callback: AsyncCallback<void>): void;
+   function enableNotificationSlot(bundle: BundleOption, type: SlotType, enable: boolean): Promise<void>;
+
+   /**
+    * Obtains whether the application slot is enabled.
+    *
+    * @since 9
+    * @systemapi Hide this for inner system use.
+    * @permission ohos.permission.NOTIFICATION_CONTROLLER
+    */
+   function isNotificationSlotEnabled(bundle: BundleOption, type: SlotType, callback: AsyncCallback<boolean>): void;
+   function isNotificationSlotEnabled(bundle: BundleOption, type: SlotType): Promise<boolean>;
+
   /**
    * Describes a BundleOption.
    */
diff --git a/api/notification/notificationSlot.d.ts b/api/notification/notificationSlot.d.ts
index a41d522ee00c2ff331513429fcb825e2fecab548..3f23d07f0b4d3092132a04472ebb67559db243a2 100644
--- a/api/notification/notificationSlot.d.ts
+++ b/api/notification/notificationSlot.d.ts
@@ -78,4 +78,11 @@ export interface NotificationSlot {
    * Obtains the vibration style of notifications in this notification slot.
    */
   vibrationValues?: Array<number>;
+
+  /**
+   * Read-only enabled status in this notification slot.
+   *
+   * @since 9
+   */
+  readonly enabled?: boolean;
 }