From what I understand it is the active widget that is closed. It is in any case what goes through that one arrives at this knot he closes the sheet which, was on the screen and hurts place to the one that is called.
To clarify things, here are the node assemblies of the list in question:
it is launched in the Bleuprint Level by a Begin Play vent.
The Widget Data serves as an interface for a backup system.
