| Name | Type | Description | Notes |
|---|---|---|---|
| invoice | \Itsmind\Sevdesk\Model\ModelInvoiceResponse | [optional] | |
| invoice_pos | \Itsmind\Sevdesk\Model\ModelInvoicePosResponse[] | [optional] | |
| filename | \SplFileObject | Filename of a previously upload file which should be attached. | [optional] |