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Set-DlpPolicy

Use the Set-DlpPolicy cmdlet to modify data loss prevention (DLP) policies that are based on transport rules (mail flow rules) in your organization. Exchange PowerShell reference

From the Exchange PowerShell reference 8 parameters Its page in the reference

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Parameters

8 in the Exchange PowerShell reference
-IdentityThe Identity parameter specifies the DLP policy that you want to modify.
-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.
-DescriptionThe Description parameter specifies an optional description for the DLP policy.
-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.
-ModeThe Mode parameter specifies the action and notification level of the DLP policy.
-NameThe Name parameter specifies a unique name for the DLP policy.
-StateThe State parameter enables or disables the DLP policy.
-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.