CmdID / PowerShell / Cmdlets / Import
Import-DlpPolicyCollection
Use the Import-DlpPolicyCollection cmdlet to import data loss prevention (DLP) policy collections that are based on transport rules (mail flow rules) into your organization. Exchange PowerShell reference
From the Exchange PowerShell reference 6 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the name of the DLP policy you want to import.-FileDataThe FileData parameter specifies the DLP policy collection file you want to import.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-ForceThe Force switch hides warning or confirmation messages.-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.