You create the widget via a Custom Event. What calls that event? If it’s not called, nothing is going to happen. Create the widget onBeginPlay or at least have it call that custom event. Or setup some logic that calls it.
That’s probably the reason why the widget is not showing - it’s never created and added to the viewport.
And you still have no widget reference set up - that’s going to bite you sooner than you expect. See one of my messages for details on how to set it up, namely:
Also do store a reference to the
widget - right click on the Return
Value pin and promote to variable.