Door Opening Blueprint

I wanna know how to make a door open with used of a key i already watch some tutorials its either to old or not working do you guys know how to do this? or can you guys sennd me a video that shows how to do this?

This tutorial should explain everything: (the only thing that might has changed is the ui, but it still works the same) :slight_smile:

This is the Exact tutorial that i follow but the blueprint doesnt work i already asked the forums but no one solved it the link to the thread:

P.S Idk if you watched the tutorial but when he created the blueprint he clicked add component and choose box bu in the 4.7 version there was only box collision and it almost had the same shape so i choose the collision