CmdID / PowerShell / Cmdlets / Add
Add-WBFileSpec
Adds a backup file specification to a backup policy. Windows Server PowerShell reference
From the Windows Server PowerShell reference 2 parameters Its page in the reference
Parameters
-FileSpecSpecifies an array of WBFileSpec objects that contain backup file specifications to add to the WBPolicy object.-PolicySpecifies a WBPolicy object that contains the backup policy to update.