"Brightness Up (Small Step)" and "Brightness Down (Small Step)"

Feature Requests
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9

@CJK,

When setting a widget/gesture on the Touch Bar, a Hint shows up:

Hint (Advanced):
If you assign the "Run Apple Script In Background" action, BTT will automatically pass the moved percentage to the script. This can be used in Apple Script like this:

on bttWidgetSliderMoved(percentageMoved)
	#example to change system volume:
	set volume output volume percentageMoved * 100
end bttWidgetSliderMoved

This works fine with audio/volume, but do you know how I could do this with the brightness? It seems a better solution when using the Touch Bar.

Thanks.

Edit: forgot to mention, I tried doing "brightness" instead of volume, but that doesn't work.