This is complete BS and still not fixed after so many years! I tried doing also with index and actuation… no matter what i do, it still fires twice every time i press one key! The same goes for clicks in the case of mobile game UI Button! These are the ■■■■■ that make developers go back to Unity after the promises from Epic ending up being just that… promises. So extremely disappointed in this that i waste a day for a simple thing as a input that should be FIRED ONCE when button pressed!