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diff --git a/offapi/com/sun/star/form/XUpdateListener.idl b/offapi/com/sun/star/form/XUpdateListener.idl
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+++ b/offapi/com/sun/star/form/XUpdateListener.idl
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef __com_sun_star_form_XUpdateListener_idl__
+#define __com_sun_star_form_XUpdateListener_idl__
+
+#include <com/sun/star/lang/XEventListener.idl>
+
+#include <com/sun/star/lang/EventObject.idl>
+
+
+
+ module com {  module sun {  module star {  module form {
+
+
+/** used to listen on objects which allow updating their data.
+    <p>In addition to just get notified when a data update happened, the listener
+    has a chance to veto updates <em>before</em> they happen.</p>
+
+    @see XUpdateBroadcaster
+ */
+published interface XUpdateListener: com::sun::star::lang::XEventListener
+{
+
+    /** is invoked to check the current data.
+
+        <p>For a given update process, if one of the XUpdateListeners
+        vetoes the change, the update is canceled, and no further notification happens.</p>
+
+        @param aEvent
+            An event descriptor specifying the broadcaster of the change.
+
+        @returns
+            `TRUE` when the update was approved, otherwise `FALSE`.
+     */
+    boolean approveUpdate( [in] com::sun::star::lang::EventObject aEvent );
+
+
+    /** is invoked when an object has finished processing the updates and
+        the data has been successfully written.
+
+        @param aEvent
+            A event descriptor specifying the broadcaster of the change.
+     */
+    void updated( [in] com::sun::star::lang::EventObject aEvent );
+
+};
+
+
+}; }; }; };
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */