Spawn static mesh and widget off character?

New to Unreal trying to play around and learn, just wondering if or how its possible to attach a static mesh to my third person character on this button press, and also add a new widget to the view port. Knowledge is basic at best but hadn’t had any luck with attaching it though an actor. The remove widgets is in there because I want the button to disappear after clicked, also not sure if that is correct but it works. Any video links are much appreciated!