How to change Variable values of a Blueprint class from an Editor utility widget?

As the title says…I have a blueprint class with float values, that I am trying to control from the Editor widget. I’ve researched as much as possible but can’t seem to figure out what to set as the object/wildcard when casting to the Blueprint class as in the picture…Am I even doing this correctly? I am fairly new to the Editor widgets so still learning.

You haven’t plugged anything into the object input of your cast, so you’re not casting anything.

I think you need to get a selected object by doing something like this first: