CmdID

CmdID / PowerShell / Cmdlets / Get

Get-SiteMailboxDiagnostics

Use the Get-SiteMailboxDiagnostics cmdlet to view important event-related data for each site mailbox. Exchange PowerShell reference

From the Exchange PowerShell reference 5 parameters Its page in the reference

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Parameters

5 in the Exchange PowerShell reference
-IdentityThe Identity parameter specifies the site mailbox that you want to view.
-BypassOwnerCheckThe BypassOwnerCheck parameter is used when the account that's running the command isn't a member or owner of the site mailbox.
-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.
-SendMeEmailThe SendMeEmail switch specifies that the diagnostic information is sent to the primary SMTP email address of the user account that's running the command.
-WhatIf, -wiThis parameter is reserved for internal Microsoft use.