How do I use an event dispatcher so I can use a widget button in another actor?

The “Bind Event to Destroy Actor” fails because the Hud is not valid at the moment the “Event BeginPlay” triggers. Therefore the binding does not get assigned.

1 solution would be to play a delay and then assign the event. (In your case of cause use the destroy event not the visibilitevent).

Or you create a custom event in you actor which gets called from the widget once it is constructed.