core/homeassistant/components/group/services.yaml

# Describes the format for available group services
reload:
set:
  fields:
    object_id:
      required: true
      example: "test_group"
      selector:
        text:
    name:
      example: "My test group"
      selector:
        text:
    icon:
      example: "mdi:camera"
      selector:
        icon:
    entities:
      example: domain.entity_id1, domain.entity_id2
      selector:
        entity:
          multiple: true
    add_entities:
      example: domain.entity_id1, domain.entity_id2
      selector:
        entity:
          multiple: true
    remove_entities:
      example: domain.entity_id1, domain.entity_id2
      selector:
        entity:
          multiple: true
    all:
      selector:
        boolean:

remove:
  fields:
    object_id:
      required: true
      example: "test_group"
      selector:
        object: