You’re checking whether X is overlapping the Box actor.
Does X have collision enabled, and a collision volume?
Also, “hit” versus “overlap” are different – if X “hits” the box, it might not “enter and overlap” the box.
Turn on collision visualization in the viewport to see in more detail what’s going on.
Also, select a node and press F9 to turn on a breakpoint, so you can step through the execution and see what’s going on, to see whether the event is even being triggered.
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