CmdID / PowerShell / Cmdlets / Start
Start-WBBackup
Starts a one-time backup operation. Windows Server PowerShell reference
From the Windows Server PowerShell reference 5 parameters Its page in the reference
Parameters
-AllowDeleteOldBackupsIndicates that the cmdlet deletes backups of older versions of the operating system.-AsyncIndicates that Windows PowerShell returns immediately after the backup starts and does not display status messages.-DoNotVerifyMediaDo not use.-ForceForces the command to run without asking for user confirmation.-PolicySpecifies a WBPolicy object that includes the policy settings for the backup by using an existing backup policy object.