| Name | Type | Description | Notes |
|---|---|---|---|
| attachment_id | str | Unique ID for the file | [optional] |
| file_name | str | Name of the file | [optional] |
| url | str | URL to the file on xero.com | [optional] |
| mime_type | str | Type of file | [optional] |
| content_length | int | Length of the file content | [optional] |
| include_online | bool | Include the file with the online invoice | [optional] |