diff --git a/graphic/graphic_2d/native_window/external_window.h b/graphic/graphic_2d/native_window/external_window.h
index 88b3e056b90134da427413844224809fc0a1ff0f..66db08561edacfa1d5935a19c94570b8e89d3a27 100644
--- a/graphic/graphic_2d/native_window/external_window.h
+++ b/graphic/graphic_2d/native_window/external_window.h
@@ -193,6 +193,13 @@ enum NativeWindowOperation {
      * [in] uint64_t uiTimestamp.
      */
     SET_UI_TIMESTAMP,
+    /**
+     * get native window bufferqueue size,
+     * variable parameter in function is
+     * [out] int32_t *size.
+     * @since 12
+     */
+    GET_BUFFERQUEUE_SIZE,
 };
 
 /**
@@ -496,6 +503,30 @@ int32_t OH_NativeWindow_NativeWindowSetMetaDataSet(OHNativeWindow *window, uint3
  */
 int32_t OH_NativeWindow_NativeWindowSetTunnelHandle(OHNativeWindow *window, const OHExtDataHandle *handle);
 
+/**
+ * @brief Attach a buffer to an <b>OHNativeWindow</b> instance.
+ *
+ * @syscap SystemCapability.Graphic.Graphic2D.NativeWindow
+ * @param window Indicates the pointer to an <b>OHNativeWindow</b> instance.
+ * @param buffer Indicates the pointer to a <b>OHNativeWindowBuffer</b> instance.
+ * @return Returns an error code, 0 is success, otherwise, failed.
+ * @since 12
+ * @version 1.0
+ */
+int32_t OH_NativeWindow_NativeWindowAttachBuffer(OHNativeWindow *window, OHNativeWindowBuffer *buffer);
+
+/**
+ * @brief Detach a buffer from an <b>OHNativeWindow</b> instance.
+ *
+ * @syscap SystemCapability.Graphic.Graphic2D.NativeWindow
+ * @param window Indicates the pointer to an <b>OHNativeWindow</b> instance.
+ * @param buffer Indicates the pointer to a <b>OHNativeWindowBuffer</b> instance.
+ * @return Returns an error code, 0 is success, otherwise, failed.
+ * @since 12
+ * @version 1.0
+ */
+int32_t OH_NativeWindow_NativeWindowDetachBuffer(OHNativeWindow *window, OHNativeWindowBuffer *buffer);
+
 /**
  * @brief Get surfaceId from native window.
  *
diff --git a/graphic/graphic_2d/native_window/libnative_window.ndk.json b/graphic/graphic_2d/native_window/libnative_window.ndk.json
index 58725d5505cb6ec1c371fb4fc5eb74298b254884..8f3717f9b8b714829c2307a09a46bf3496efbbb6 100644
--- a/graphic/graphic_2d/native_window/libnative_window.ndk.json
+++ b/graphic/graphic_2d/native_window/libnative_window.ndk.json
@@ -18,5 +18,7 @@
     { "name": "OH_NativeWindow_NativeWindowSetMetaDataSet" },
     { "name": "OH_NativeWindow_NativeWindowSetTunnelHandle" },
     { "name": "OH_NativeWindow_GetSurfaceId"},
-    { "name": "OH_NativeWindow_CreateNativeWindowFromSurfaceId"}
+    { "name": "OH_NativeWindow_CreateNativeWindowFromSurfaceId"},
+    { "name": "OH_NativeWindow_NativeWindowAttachBuffer" },
+    { "name": "OH_NativeWindow_NativeWindowDetachBuffer" }
 ]
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