CmdID / PowerShell / Cmdlets / Remove
Remove-ComplianceRetentionEventType
Use the Remove-ComplianceRetentionEventType cmdlet to remove retention event types in the Microsoft Purview compliance portal. Exchange PowerShell reference
From the Exchange PowerShell reference 4 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the retention event type that you want to remove.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-ForceDeletionThe ForceDeletion switch forces the removal of the retention event type.-WhatIf, -wiThe WhatIf switch doesn't work in Security & Compliance PowerShell.