CmdID / PowerShell / Cmdlets / New
New-FilePlanPropertyDepartment
Use the New-FilePlanPropertyDepartment cmdlet to create file plan property departments. Exchange PowerShell reference
From the Exchange PowerShell reference 3 parameters Its page in the reference
Parameters
-NameThe Name parameter specifies a unique name for the file plan property department.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-WhatIf, -wiThe WhatIf switch doesn't work in Security & Compliance PowerShell.