CmdID / PowerShell / Cmdlets / New
New-DlpEdmSchema
Use the New-DlpEdmSchema cmdlet to create exact data match (EDM)-based classification schemas in the Microsoft Purview compliance portal. Exchange PowerShell reference
From the Exchange PowerShell reference 3 parameters Its page in the reference
Parameters
-FileDataThe FileData parameter specifies the DLP EDM schema that you want to import.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-WhatIf, -wiThe WhatIf switch doesn't work in Security & Compliance PowerShell.