How do I possess an actor in multiplayer?

Hey man just to know in what blueprint is this code? In the Character BP or in the controller? Because I saw at the end Destroy actor

You are awesome!!! Thank you very much!! For 7 days I am dancing with Possesion in multiplayer and thanks to your screen shots I was able to solve it. So, huge thanks for all who took part in this discussion! You are the best!