Udev-monitor
From Karmaking
udevadm monitor --property
/etc/udev/rules.d/xx-description.rules :
SUBSYSTEMS=="usb", ACTION=="add|remove", ENV{PRODUCT}=="3/1a7c/191/111", RUN+="/home/daniel/.scripts/mouse-switcher $env{ACTION}"
after chaning rules, apply with
udevadm control --reload-rules && udevadm trigger