IExternal   |  
 Implement this method to execute some tasks when Autodesk Revit shuts down. 
 Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.0.0.0 (25.0.0.0)
Parameters
- application UIControlledApplication
 - A handle to the application being shut down.
 
Return Value
ResultIndicates if the external application completes its work successfully.