Change Struct Boolean to True/False from BP Actors

Hello,

no it is a classic first person horror game.

This is the dropdown menu widget:

image

And this is his code:

This is the inventory slot:

image

And this is his code:

This is the inventory menu:

And this is his code:

This is the inventory grid code:

This is a short video of what i am trying (i hope i set the correct access to it):

(I tryed also without touching the Item Name pin, still not work)

Thank for your patience!