diff --git a/distributeddatamgr/pasteboard/include/oh_pasteboard.h b/distributeddatamgr/pasteboard/include/oh_pasteboard.h
index 3218fff577ea728bcc29d5923b8a6d3c15d42c43..3190b5c58296526161a71fa061412b9a4db50701 100644
--- a/distributeddatamgr/pasteboard/include/oh_pasteboard.h
+++ b/distributeddatamgr/pasteboard/include/oh_pasteboard.h
@@ -441,6 +441,16 @@ void OH_Pasteboard_ProgressCancel(Pasteboard_GetDataParams* params);
  */
 OH_UdmfData* OH_Pasteboard_GetDataWithProgress(OH_Pasteboard* pasteboard, Pasteboard_GetDataParams* params,
     int* status);
+
+/**
+ * @brief Notifies the system pasteboard to synchronize all time-lapse paste data from application.
+ *
+ * @param pasteboard Pointer to the {@link OH_Pasteboard} instance.
+ * @param callback Indicates the pointer to the callback that is called after the synchronize is finished.
+ * @since 21
+ */
+void OH_Pasteboard_SyncDelayedDataAsync(OH_Pasteboard* pasteboard, void (*callback)(int errorCode));
+
 #ifdef __cplusplus
 };
 #endif
diff --git a/distributeddatamgr/pasteboard/libpasteboard.ndk.json b/distributeddatamgr/pasteboard/libpasteboard.ndk.json
index 6b21588f7a09e99974704c28f796615d4787f460..84ec7a82593f546d685e5ee44a6698feedca6ea1 100644
--- a/distributeddatamgr/pasteboard/libpasteboard.ndk.json
+++ b/distributeddatamgr/pasteboard/libpasteboard.ndk.json
@@ -98,6 +98,9 @@
     {
         "first_introduced": "18",
         "name": "OH_Pasteboard_GetChangeCount"
-        
+    },
+    {
+        "first_introduced": "21",
+        "name": "OH_Pasteboard_SyncDelayedDataAsync"
     }
 ]
\ No newline at end of file