Can a Blueprint Actor Component use Blueprint Interface?

Development Programming & Scripting
2

Hi there. The problem might be that the event is sended to the ACTOR itself which isn’t listening to the event call, because the interface and the event is only implemented in the BLUEPRINT SCRIPT COMPONENT inside the actor. In this case, you have to to a getComponentsByClass(YOUR INTERFACE) on the actor and then call the interface method on the result.

See also 4.7.5: Interface events not firing in Blueprint script components - Blueprint - Epic Developer Community Forums

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