BlueprintImplementableEvent problem

Hi guys,

I encountered a BlueprintImplementableEvent problem. I declare a BlueprintImplementableEvent function in my actor(AMyActor, C++ class), and my Blueprint inherits from AMyActor. I implement this event in Blueprint side and call it from C++ per tick. I try to test it from PIE mode. This event can’t be broken in Blueprint editor and I can’t see any running flow in editor. It seems not to be called. I add a print output in this event and I can see output. It means that this event is executed. But all the actors influenced by this event are not updated in editor. Any idea? Thanks.

Cheers,
Alfred