# Chrome OS Factory scripts when Device ID changed. Script here will be executed when a device ID change is detected, executed by `/usr/local/factory/init/goofy.d/device_id.sh`. To add your own service, create a script file with `.sh` in file name extension and enable execute (+x) permission. Usually this is done by adding a file in private board overlay, for example `src/private-overlays/overlay-coral-private/chromeos-base/factory-board/files/init/goofy.d/device_id_changed/reset_something.sh` that the `reset_something` must be a simple shell script.