core/homeassistant/components/camera/services.yaml

# Describes the format for available camera services

turn_off:
  description: Turn off camera.
  fields:
    entity_id:
      description: Entity id.
      example: "camera.living_room"

turn_on:
  description: Turn on camera.
  fields:
    entity_id:
      description: Entity id.
      example: "camera.living_room"

enable_motion_detection:
  description: Enable the motion detection in a camera.
  fields:
    entity_id:
      description: Name(s) of entities to enable motion detection.
      example: "camera.living_room_camera"

disable_motion_detection:
  description: Disable the motion detection in a camera.
  fields:
    entity_id:
      description: Name(s) of entities to disable motion detection.
      example: "camera.living_room_camera"

snapshot:
  description: Take a snapshot from a camera.
  fields:
    entity_id:
      description: Name(s) of entities to create snapshots from.
      example: "camera.living_room_camera"
    filename:
      description: Template of a Filename. Variable is entity_id.
      example: "/tmp/snapshot_{{ entity_id }}"

play_stream:
  description: Play camera stream on supported media player.
  fields:
    entity_id:
      description: Name(s) of entities to stream from.
      example: "camera.living_room_camera"
    media_player:
      description: Name(s) of media player to stream to.
      example: "media_player.living_room_tv"
    format:
      description: (Optional) Stream format supported by media player.
      example: "hls"

record:
  description: Record live camera feed.
  fields:
    entity_id:
      description: Name of entities to record.
      example: "camera.living_room_camera"
    filename:
      description: Template of a Filename. Variable is entity_id.  Must be mp4.
      example: "/tmp/snapshot_{{ entity_id }}.mp4"
    duration:
      description: (Optional) Target recording length (in seconds).
      default: 30
      example: 30
    lookback:
      description: (Optional) Target lookback period (in seconds) to include in addition to duration.  Only available if there is currently an active HLS stream.
      example: 4