I am having trouble with a trigger being activated when I have the player overlapping the box collider and the player then presses the E key

Development Programming & Scripting
4

As Everynone stated, enable the Input or get the Input from your Player. Like this:

341522-player-input-1.jpg
341522-player-input-1.jpg1060×418 55 KB

or this (click on ClassDefaults and scroll down in your DetailsPanel on the right):

341523-player-input-2.jpg