| Name | Type | Description | Notes |
|---|---|---|---|
| external_customer_id | string | Unique identifier assigned to the customer in your application. | |
| currency | \Lago\LagoPhpClient\Model\Currency | The currency of the invoice. | [optional] |
| fees | \Lago\LagoPhpClient\Model\InvoiceOneOffCreateInputInvoiceFeesInner[] |