CmdID

CmdID / PowerShell / Cmdlets / Get

Get-OMEMessageStatus

Use the Get-OMEMessageStatus cmdlet to view the Microsoft Purview Message Encryption revocation status for a specific message. Exchange PowerShell reference

From the Exchange PowerShell reference 1 parameter Its page in the reference

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Parameters

1 in the Exchange PowerShell reference
-MessageIdThe MessageId parameter specifies the message based on the value the Message-ID header field.