data-slots=heading, code

data-repeat=1

data-languages=JSON

update

{
  "type": "object",
  "properties": {
    "id": { "type": "integer" },
    "status": { "type": "string" },
    "notifyCustomer": { "type":  "boolean"}
  },
  "required": ["id", "status"],
  "additionalProperties": true
}