Trouble with finding Delegate Definitions

Hello,
Anytime I want to get the parameter list of a delegate such as OnActorBeginOverlap or OnTakeAnyDamage visual studio is unable to locate the header file where they’re are stored. Any idea on how i can fix this issue? Here is a

screen capture for visual aid.

Many ways:

306169-0.jpg

Result:

Hey EvilCleric,
I’ve tried all those those methods previous to posting the question. I would always get the same outcome, could not be located. I’m not sure what’s happening.