{
  "type": "object",
  "properties": {
    "attribute_codes": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "attribute_group_id": {
      "type": ["integer", "string"],
      "pattern": "^[0-9]+$"
    }
  },
  "required": ["attribute_codes"],
  "additionalProperties": true
}