diff --git a/api/@ohos.PiPWindow.d.ts b/api/@ohos.PiPWindow.d.ts
index 7ed8033f3377114695523a55dce5ae7c0dd1c5b0..0f094bfb8b61f2b25941e7f69a2e1f201b41a60e 100644
--- a/api/@ohos.PiPWindow.d.ts
+++ b/api/@ohos.PiPWindow.d.ts
@@ -264,6 +264,17 @@ declare namespace PiPWindow {
      * @since 19
      */
      defaultWindowSizeType?: number;
+
+    /**
+     * Describes wheather the picture-in-picture is four-corner absorpted or free to move.
+     *
+     * @type { ?boolean }
+     * @default true
+     * @syscap SystemCapability.Window.SessionManager
+     * @atomicservice
+     * @since 22 dynamic&static
+     */
+    cornerAdsorption?: boolean;
   }
 
   /**