How can communicate between HUD Blueprint and Level Blueprint

How can communicate between HUD Blueprint and Level Blueprint

What is it that you are actually trying to do.? We need more info before we can help.

I want to click a button that can play a matinee ,the button is drew in the HUD Blueprint ,the matinee is in the level Blueprint.
This is what I mean.

I would do something like this. Basically you’ll add a Matinee Actor variable and assign it in in Level Blueprint. Then you play that Matinee in HUD.

Example HUD Blueprint:

Level Blueprint:

it’s sucessfull, very very very very very very thanks!