join:
  description: Group player together.
  fields:
    master:
      description: Entity ID of the player that should become the master of the group.
      example: 'media_player.bluesound_livingroom'
    entity_id:
      description: Name(s) of entities that will coordinate the grouping. Platform dependent.
      example: 'media_player.bluesound_livingroom'

unjoin:
  description: Unjoin the player from a group.
  fields:
    entity_id:
      description: Name(s) of entities that will be unjoined from their group. Platform dependent.
      example: 'media_player.bluesound_livingroom'

set_sleep_timer:
  description: "Set a Bluesound timer. It will increase timer in steps: 15, 30, 45, 60, 90, 0"
  fields:
    entity_id:
      description: Name(s) of entities that will have a timer set.
      example: 'media_player.bluesound_livingroom'

clear_sleep_timer:
  description: Clear a Bluesound timer.
  fields:
    entity_id:
      description: Name(s) of entities that will have the timer cleared.
      example: 'media_player.bluesound_livingroom'