Yeessss... it was Comment
EDIT:
Just an update to my previous screenshot... the variables have to be the other way around, like this:
I was like... why the hell my variables witch to NONE, is it because I use a template?
Nope.
Object Variable - is the variable you want to set the value, in my case my Global Variable
Object Value - is the value I want to apply to the global variable.
It looks like this during PlayMode: