core/homeassistant/components/snapcast/services.yaml

join:
  name: Join
  description: Group players together.
  fields:
    master:
      name: Master
      description: Entity ID of the player to synchronize to.
      required: true
      selector:
        entity:
          integration: snapcast
          domain: media_player
    entity_id:
      name: Entity
      description: The players to join to the "master".
      selector:
        target:
          entity:
            integration: snapcast
            domain: media_player

unjoin:
  name: Unjoin
  description: Unjoin the player from a group.
  target:
    entity:
      integration: snapcast
      domain: media_player

snapshot:
  name: Snapshot
  description: Take a snapshot of the media player.
  target:
    entity:
      integration: snapcast
      domain: media_player

restore:
  name: Restore
  description: Restore a snapshot of the media player.
  target:
    entity:
      integration: snapcast
      domain: media_player

set_latency:
  name: Set latency
  description: Set client set_latency
  target:
    entity:
      integration: snapcast
      domain: media_player
  fields:
    latency:
      name: Latency
      description: Latency in master
      required: true
      selector:
        number:
          min: 1
          max: 1000
          unit_of_measurement: "ms"