AirTurn QUAD200 (Bluetooth Foot Pedal) as Keyboard Maestro trigger?

[hello]

there was a thread about AirTurn pedals recently:

Bluetooth Foot Switch + Keyboard Maestro?

I'm looking at an AirTurn BT-200S Bluetooth foot switch (available in 2, 4 and 6 switch models). What I need to be able to do is use the foot switches to send Apple Music commands to the Music app while that app is not in the foreground. Instead, I'll be actively using a notetaking app to capture bass guitar notation. Toggling back and forth between apps to use keyboard shortcuts is a major pain, especially when you have a bass guitar neck in your face. Does anyone know if I can map those foot s…

and there's one about X-keys ones:

X-Keys Pedal - Help Anyone?

I'm new to keyboard maestro. I have a USB x-keys pedal from P.I. Engineering which is supposed to act like a mouse. I watched the tutorials but still can't figure out how to build a macro to make it work. The pedal consists of 3 different areas: Left (clicking), center (scrolling) and Right (clicking). P.I. Engineering told me that keyboard maestro will treat the pedal as a USB Trigger Device. Can anybody there help me set it up? Thanks!