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Import-DlpPolicyTemplate

Use the Import-DlpPolicyTemplate cmdlet to import data loss prevention (DLP) policy template files that are based on transport rules (mail flow rules) into your Exchange organization. Exchange PowerShell reference

From the Exchange PowerShell reference 3 parameters Its page in the reference

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Parameters

3 in the Exchange PowerShell reference
-FileDataThe FileData parameter specifies the DLP policy template file you want to import.
-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.
-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.