diff --git a/api/@ohos.application.Ability.d.ts b/api/@ohos.application.Ability.d.ts
index d215c92832cdbe48891097ca7d1c575d5aecaf02..339a0d9858c0b620ef200575351aeff2efc2f831 100755
--- a/api/@ohos.application.Ability.d.ts
+++ b/api/@ohos.application.Ability.d.ts
@@ -279,14 +279,26 @@ export default class Ability {
      */
     onNewWant(want: Want): void;
 
-     /**
-      * Called when the system configuration is updated.
-      *
-      * @since 9
-      * @syscap SystemCapability.Ability.AbilityRuntime.AbilityCore
-      * @param config Indicates the updated configuration.
-      * @return -
-      * @StageModelOnly
-      */
+    /**
+     * Called when the system configuration is updated.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.AbilityCore
+     * @param config Indicates the updated configuration.
+     * @return -
+     * @StageModelOnly
+     */
     onConfigurationUpdated(config: Configuration): void;
+
+    /**
+     * Called when dump client information is required.
+     * It is recommended that developers don't DUMP sensitive information.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.AbilityCore
+     * @param params Indicates the params from command.
+     * @return The dump info array.
+     * @StageModelOnly
+     */
+    dump(params: Array<string>): Array<string>;
 }
diff --git a/api/@ohos.application.ServiceExtensionAbility.d.ts b/api/@ohos.application.ServiceExtensionAbility.d.ts
index d4d06bc4049ed66d3da2a102513a14cb640bc907..9b7e74eb470afa71b6dad5910c8255d029a9c3a1 100644
--- a/api/@ohos.application.ServiceExtensionAbility.d.ts
+++ b/api/@ohos.application.ServiceExtensionAbility.d.ts
@@ -121,6 +121,18 @@ export default class ServiceExtensionAbility {
      * @return -
      * @StageModelOnly
      */
-     onConfigurationUpdated(config: Configuration): void;
+    onConfigurationUpdated(config: Configuration): void;
+
+    /**
+     * Called when dump client information is required.
+     * It is recommended that developers don't DUMP sensitive information.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.AbilityCore
+     * @param params Indicates the params from command.
+     * @return The dump info array.
+     * @StageModelOnly
+     */
+    dump(params: Array<string>): Array<string>;
 }