core/homeassistant/components/light/services.yaml

# Describes the format for available light services

turn_on:
  description: Turn a light on

  fields:
    entity_id:
      description: Name(s) of entities to turn on
      example: 'light.kitchen'

    transition:
      description: Duration in seconds it takes to get to next state
      example: 60

    rgb_color:
      description: Color for the light in RGB-format
      example: '[255, 100, 100]'

    color_name:
      description: A human readable color name
      example: 'red'

    xy_color:
      description: Color for the light in XY-format
      example: '[0.52, 0.43]'

    color_temp:
      description: Color temperature for the light in mireds (154-500)
      example: '250'

    brightness:
      description: Number between 0..255 indicating brightness
      example: 120

    profile:
      description: Name of a light profile to use
      example: relax

    flash:
      description: If the light should flash
      values:
        - short
        - long

    effect:
      description: Light effect
      values:
        - colorloop
        - random

turn_off:
  description: Turn a light off

  fields:
    entity_id:
      description: Name(s) of entities to turn off
      example: 'light.kitchen'

    transition:
      description: Duration in seconds it takes to get to next state
      example: 60

toggle:
  description: Toggles a light

  fields:
    entity_id:
      description: Name(s) of entities to toggle
      example: 'light.kitchen'

    transition:
      description: Duration in seconds it takes to get to next state
      example: 60