ha-core/homeassistant/components/media_player/services.yaml

# Describes the format for available media player services

turn_on:
  name: Turn on
  description: Turn a media player power on.
  target:
    entity:
      domain: media_player

turn_off:
  name: Turn off
  description: Turn a media player power off.
  target:
    entity:
      domain: media_player

toggle:
  name: Toggle
  description: Toggles a media player power state.
  target:
    entity:
      domain: media_player

volume_up:
  name: Turn up volume
  description: Turn a media player volume up.
  target:
    entity:
      domain: media_player

volume_down:
  name: Turn down volume
  description: Turn a media player volume down.
  target:
    entity:
      domain: media_player

volume_mute:
  name: Mute volume
  description: Mute a media player's volume.
  target:
    entity:
      domain: media_player
  fields:
    is_volume_muted:
      name: Muted
      description: True/false for mute/unmute.
      required: true
      selector:
        boolean:

volume_set:
  name: Set volume
  description: Set a media player's volume level.
  target:
    entity:
      domain: media_player
  fields:
    volume_level:
      name: Level
      description: Volume level to set as float.
      required: true
      selector:
        number:
          min: 0
          max: 1
          step: 0.01

media_play_pause:
  name: Play/Pause
  description: Toggle media player play/pause state.
  target:
    entity:
      domain: media_player

media_play:
  name: Play
  description: Send the media player the command for play.
  target:
    entity:
      domain: media_player

media_pause:
  name: Pause
  description: Send the media player the command for pause.
  target:
    entity:
      domain: media_player

media_stop:
  name: Stop
  description: Send the media player the stop command.
  target:
    entity:
      domain: media_player

media_next_track:
  name: Next
  description: Send the media player the command for next track.
  target:
    entity:
      domain: media_player

media_previous_track:
  name: Previous
  description: Send the media player the command for previous track.
  target:
    entity:
      domain: media_player

media_seek:
  name: Seek
  description: Send the media player the command to seek in current playing media.
  target:
    entity:
      domain: media_player
  fields:
    seek_position:
      name: Position
      description: Position to seek to. The format is platform dependent.
      required: true
      selector:
        number:
          min: 0
          max: 9223372036854775807
          step: 0.01
          mode: box

play_media:
  name: Play media
  description: Send the media player the command for playing media.
  target:
    entity:
      domain: media_player
  fields:
    media_content_id:
      name: Content ID
      description: The ID of the content to play. Platform dependent.
      required: true
      example: "https://home-assistant.io/images/cast/splash.png"
      selector:
        text:

    media_content_type:
      name: Content type
      description:
        The type of the content to play. Like image, music, tvshow, video,
        episode, channel or playlist.
      required: true
      example: "music"
      selector:
        text:

select_source:
  name: Select source
  description: Send the media player the command to change input source.
  target:
    entity:
      domain: media_player
  fields:
    source:
      name: Source
      description: Name of the source to switch to. Platform dependent.
      required: true
      example: "video1"
      selector:
        text:

select_sound_mode:
  name: Select sound mode
  description: Send the media player the command to change sound mode.
  target:
    entity:
      domain: media_player
  fields:
    sound_mode:
      name: Sound mode
      description: Name of the sound mode to switch to.
      example: "Music"
      selector:
        text:

clear_playlist:
  name: Clear playlist
  description: Send the media player the command to clear players playlist.
  target:
    entity:
      domain: media_player

shuffle_set:
  name: Shuffle
  description: Set shuffling state.
  target:
    entity:
      domain: media_player
  fields:
    shuffle:
      name: Shuffle
      description: True/false for enabling/disabling shuffle.
      required: true
      selector:
        boolean:

repeat_set:
  name: Repeat
  description: Set repeat mode
  target:
    entity:
      domain: media_player
  fields:
    repeat:
      name: Repeat mode
      description: Repeat mode to set.
      required: true
      selector:
        select:
          options:
            - "off"
            - "all"
            - "one"

join:
  name: Join
  description:
    Group players together. Only works on platforms with support for player
    groups.
  target:
    entity:
      domain: media_player
  fields:
    group_members:
      name: Group members
      description: The players which will be synced with the target player.
      example:
        - "media_player.multiroom_player2"
        - "media_player.multiroom_player3"
      selector:
        object:

unjoin:
  description:
    Unjoin the player from a group. Only works on platforms with support for
    player groups.
  name: Unjoin
  target:
    entity:
      domain: media_player