diff --git a/api/@ohos.window.d.ts b/api/@ohos.window.d.ts
index c73851031bf907ceeac42851e3d4e6929c86c4cb..e91b11399a6f38b50711227ddcdf41178650a9b7 100644
--- a/api/@ohos.window.d.ts
+++ b/api/@ohos.window.d.ts
@@ -810,6 +810,15 @@ declare namespace window {
      * @since 7
      */
     setTouchable(isTouchable: boolean, callback: AsyncCallback<void>): void;
+
+    /**
+     * Dump window client information.
+     * Called in the dump callback of ability is the typical usage scenario.
+     * @since 9
+     * @param params Indicates the params from command.
+     * @return The dump info array.
+     */
+    dump(params: Array<string>): Array<string>;
   }
   /**
    * window stage callback event type