core/homeassistant/components/remote/services.yaml

# Describes the format for available remote services

turn_on:
  description: Sends the Power On Command.
  fields:
    entity_id:
      description: Name(s) of entities to turn on.
      example: 'remote.family_room'
    activity:
      description: Activity ID or Activity Name to start.
      example: 'BedroomTV'

toggle:
  description: Toggles a device.
  fields:
    entity_id:
      description: Name(s) of entities to toggle.
      example: 'remote.family_room'

turn_off:
  description: Sends the Power Off Command.
  fields:
    entity_id:
      description: Name(s) of entities to turn off.
      example: 'remote.family_room'

send_command:
  description: Sends a single command to a single device.
  fields:
    entity_id:
      description: Name(s) of entities to send command from.
      example: 'remote.family_room'
    device:
      description: Device ID to send command to.
      example: '32756745'
    command:
      description: A single command or a list of commands to send.
      example: 'Play'
    num_repeats:
      description: An optional value that specifies the number of times you want to repeat the command(s). If not specified, the command(s) will not be repeated.
      example: '5'
    delay_secs:
      description: An optional value that specifies that number of seconds you want to wait in between repeated commands. If not specified, the default of 0.4 seconds will be used.
      example: '0.75'
    hold_secs:
      description: An optional value that specifies that number of seconds you want to have it held before the release is send. If not specified, the release will be send immediately after the press.
      example: '2.5'


harmony_sync:
  description: Syncs the remote's configuration.
  fields:
    entity_id:
      description: Name(s) of entities to sync.
      example: 'remote.family_room'

harmony_change_channel:
  description: Sends change channel command to the Harmony HUB
  fields:
    entity_id:
      description: Name(s) of Harmony remote entities to send change channel command to
      example: 'remote.family_room'
    channel:
      description: Channel number to change to
      example: '200'

xiaomi_miio_learn_command:
  description: 'Learn an IR command, press "Call Service", point the remote at the IR device, and the learned command will be shown as a notification in Overview.'
  fields:
    entity_id:
      description: 'Name of the entity to learn command from.'
      example: 'remote.xiaomi_miio'
    slot:
      description: 'Define the slot used to save the IR command (Value from 1 to 1000000)'
      example: '1'
    timeout:
      description: 'Define the timeout in seconds, before which the command must be learned.'
      example: '30'