You drag connection from blue pin, then you write name of variable. Or drag variable from list of variables on the left. Generally you need reference to variable, if you try place it in editor grid it will ask you if you want get variable or set it.
You drag connection from blue pin, then you write name of variable. Or drag variable from list of variables on the left. Generally you need reference to variable, if you try place it in editor grid it will ask you if you want get variable or set it.