How to have unique parameters not shared across multiple bp instances

A little update, I’ve finally managed to make it work, the problem came from the fact that i activated input in the door blueprint and that i was doing the calculation to check if ia was looking at a door also in the door blueprint.

I’ve now moved all that in the player blueprint and everything works perfectly.

I’ve updated the online blueprint if anyone wants to do a similar door.
I’ve also added this one :