I am not sure what you are trying to achieve here. But I assume you want to destroy a projectile when it hits the player character?
What I would do here is add an OnBeginOverlap event on the projectile. I will then try to cast the ‘otherActor’ param to the player character class. If that succeeds, you can check it against the stored ‘selfPawn’ variable and destroy the projectile (or anything else you want) if they are the same.