Thanks a lot Fen, managed to get your second method to work! Will give the first one a go tomorrow which seems a bit more complicated.
Not quite sure I’m completely understanding why it works without all the casting / direct communication but it’s great to see something happen now 
@DSursely
Thanks for the tip will look into that. The only place I’m using the Get Player Controller now is in the level blueprint to enable the mouse to click the button
