UMG - Custom Event variable by reference not working.

Passing and setting a variable by reference in a custom event as follows:


The problem is that this does nothing.
Is this normal? Is there any way to set the variable?

I have solved it in a function… Although it is a better solution than having everything in the eventgraph, I would have liked to have it there.
I suppose it can also work with macros (I haven’t tried it)