| Parameter Name | Description | Required |
| virtualmachineid | ID of the Instance | true |
| description | the description for the backup | false |
| isolated | Whether the backup will be isolated, defaults to false. Isolated backups are always created as full backups in independent chains. Therefore, they will never depend on any existing backup chain and no backup chain will depend on them. Currently only supported for the KBOSS provider. | false |
| name | the name of the backup | false |
| quiescevm | Quiesce the instance before checkpointing the disks for backup. Applicable only to NAS and KBOSS backup providers. The filesystem is frozen before the backup starts and thawed immediately after. Requires the instance to have the QEMU Guest Agent installed and running. | false |