CmdID / PowerShell / Cmdlets / Get
Get-ClassificationRuleCollection
Use the Get-ClassificationRuleCollection cmdlet to view the classification rule collections in your organization. Exchange PowerShell reference
From the Exchange PowerShell reference 2 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the classification rule collection you want to view.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.