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The quote from here:
> The ControlledApplication parameter provides access to Revit database events. Events and Updaters to which the database-level application will respond can be registered in the OnStartup method.
I know what is Event and Event Handler, but I don't know what is "Updater"...
What is "Updater"?
Solved! Go to Solution.
I found the answer here: http://thebuildingcoder.typepad.com/blog/2012/06/documentchanged-versus-dynamic-model-updater.html