Making an interaction system based on a tutorial

Im trying to make an interaction system based on a tutorial but the tutorial make the interactable open a door, but Im trying to get it picked up from the ground. Here is the tutorial: https://www.youtube.com/watch?v=ZiD8GuFLGsI

What I tried to use to make it pickable was the end part at 17:27 when he make the blueprint code.