CmdID / PowerShell / Cmdlets / Get
Get-WBFileSpec
Gets the list of backup file specifications associated with a backup policy. Windows Server PowerShell reference
From the Windows Server PowerShell reference 3 parameters Its page in the reference
Parameters
-Confirm, -cfPrompts you for confirmation before running the cmdlet.-PolicySpecifies the WBPolicy object that contains the backup policy for which to display backup file specifications.-WhatIf, -wiShows what would happen if the cmdlet runs.