| Name | Type | Description | Notes |
|---|---|---|---|
| send_type | string | Specifies the way in which the invoice was sent to the customer.<br> Accepts 'VPR' (print), 'VP' (postal), 'VM' (mail) and 'VPDF' (downloaded pfd). | |
| send_draft | bool | To create a draft of an invoice for internal use. This operation will not alter the status of the invoice or create bookings for reports. |