CmdID

CmdID / PowerShell / Cmdlets / Get

Get-RetentionEvent

Use the Get-RetentionEvent cmdlet to view retention events in your 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
-IdentityThe Identity parameter specifies the retention event that you want to view.
-AllStatusThe AllStatus switch specifies whether to include zero count events in the results.
-DomainControllerThis parameter is reserved for internal Microsoft use.