sharing custom event in BP

I looked trough serveral tut but on my unreal is not working. Did try change the loic or do I something wrong?

I have a door with fbx animation and want to open is with keyboard this tut

but on 5.20 no Custom event pop up.

I tried serveral ways, but no one is working, even function will not shared trough blueprint.

after playing with it i found it(really hard for the first time):frowning:
is now on door2(trigger)

in this state the custom event as an error but how to connect the blue pin?

How to connect the stuff from picture above?