How to use a door

step1: draw a door

step2:draw a key

step3:use the door as a actor as a wall and press "key is comsued when used'

step4:save the key as a normal iteam (use later iteam)

step5:load the door actor and put the key actor in "actor that acts like a key"

DONE

hint: when you put the door in the map maker make sure that the player goes through the south side of the door to activate it