core/homeassistant/components/camera/services.yaml

# Describes the format for available camera services

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 }}'