xorg

List devices

xinput list

List device's properties

xinput list-props device-id

Set property

xinput set-prop device option-number setting

Set trackpad to sidescroll

xinput set-prop 12 299 0 1 0

sway

List devices

swaymsg -t get_inputs

generic

Print out devices and then print out any events that occur:
libinput debug-events