core/homeassistant/components/update/services.yaml

install:
  target:
    entity:
      domain: update
  fields:
    version:
      required: false
      example: "1.0.0"
      selector:
        text:
    backup:
      required: false
      selector:
        boolean:

skip:
  target:
    entity:
      domain: update

clear_skipped:
  target:
    entity:
      domain: update