Trying to make a character switch like GTA5

Hey i have been trying to make a character switch like in GTA 5. i haveseen the tutoral UnrealEngine
(https://docs.unrealengine.com/latest/INT/Gameplay/HowTo/PossessPawns/Blueprints/index.html)
has provide and ive gotten it to work with on clicked Events but i am trying to switch character when my mouse is on one of the Buttons and i let got of Left ALT
if this doesn’t make sense please say something in the comments and i will try and give more detail

P.S Is it possable to do all the blueprints in the my character blueprint and not in the level editor?
(GTA 5 Menu)

56472-character_wheel.png

(My Buttons)

56471-switch.png

I’m not really familiar with Event Binding/Assign, but you can try to assign/bind the onClickEvent when you release Alt. Ya can also add a condition that check you are hovering a button, so pressing Alt and releasing it won’t trigger the click if you are not hovering.