Blueprint - Passing on Setter Variable

Beware, I am a total noob and can only manage to utilize blueprint from trial and error and looking at other completed blueprints.

Heres my problem. I have tried to duplicate this out of pure nostalgia from dodging in UT, but the nodes after the “Event Do Dodge” confuse me. How do I even create the input “DoubleTap Left” and “DoubleTap Right” to connect to “Dodge Dir”? How could they even correspond to my left movement key and my right movement key?