| Name | Type | Description | Notes |
|---|---|---|---|
| order_id | Option<String> | You can use this property to store the ID of an external system. We allow you to search in the invoice list based on this ID. | [optional] |
| order_url | Option<String> | You can use this property to store the URL to the order of an external system. This makes navigating to the order easier. | [optional] |