Access variable/function in level blueprint from any other blueprint

I have certain actors, which have their own behavior when overlapping a trigger.
However, I want their behavior extended in the level blueprint, but I can’t pinpoint when overlapping occurs.
If I could fire a function in level blueprint from actor’s blueprint, or something else, that would be possible, at least I think so.

Is there any method to do this? If not, can you suggest anything else?

Hello,

this part of documentation should help you Direct Blueprint Communications. There are different ways explained on how to access variables, functions, events etc. from different blueprints. I hope it will help you.