How to set the value of a Global Variable from a Dynamic Events Actions

Wappler General Need Help
1

I have a global variable var1
I have a button btn1
On my button’s dynamic mouse click event i want to set the value of the variable var1
But in the dynamic event actions i cannot see my variable var1

2

Hi.
Please share screenshots and/or code of how you have configured this.
This is a very basic function, and works quite reliably.