Free VR Template (All Blueprints)

i have some knowledge with blueprints, but not understanding what item buttons with menu to set the start and quit, i’ve manage to swith killmenu to quit the game but no clue where i’m suppose to do or find the values or where they go to set it that way, kind of new to seting up vr menu’s etc but understand how to do it for 3rd or first person through hud widget, but still searching to find how i can altr those item buttons to be a quit and start level function. thanks.