core/homeassistant/components/dominos/strings.json

{
  "services": {
    "order": {
      "name": "Order",
      "description": "Places a set of orders with Domino's Pizza.",
      "fields": {
        "order_entity_id": {
          "name": "Order entity",
          "description": "The ID (as specified in the configuration) of an order to place. If provided as an array, all the identified orders will be placed."
        }
      }
    }
  }
}