Function setLED

setLED(name: string, state: boolean): boolean
Sets a keyboard LED on every attached keyboard that has one.
Parameters
- name: string
  The LED to set — one of "caps", "scroll", or "num"
- state: boolean
  true to turn the LED on, false to turn it off
Returns boolean
true if the LED was successfully set on at least one keyboard

Remarks
Requires Input Monitoring permission — see hs.permissions.requestInputMonitoring().