How to trigger a custom level blueprint event in sequencer

I’m trying to trigger a custom event to change an actor’s morph targets -which is located in my level blueprint- during a sequence. I can’t see to get it to work and none of the tutorials I’ve tried appear to work in the specific case of triggering a level blueprint from a sequence.
Can anyone provide me with some insight?
Thanks!

I have the exact same issue. Did you manage to find a solution?