How to add commands (CMD) via Blueprints in unreal engine. Basically the same set up to do it for widget editor.
Highly Recommended: Type in a Float value rather than just using the slider as it can stress the engine updating every decimal point value which Also can stress your hardware.
Recommended: Find the default value of the command before applying, then use a branch with the false value being the default value. This will help you avoid any issues.