Trackpad - How to Create your Own Gesture?

Can I create my own gesture for the trackpad? if yes how can I do so?
Like I would like to rotate 3 fingers to hide windows... is this possible? thanks!

There is the "Rotate Left" & "Rotate Right" trigger options.. no idea what they actually do though.

As far as I was told; Can't create custom taps/click gestures for the trackpad (or other devices)

but you can make custom drawing gestures. You have to activate the Gesture area via another trigger, then set custom drawing gestures.. (Example, like drawing the letter S would open safari)