Message classification {0} cannot be removed because it is used by one or more transport rules. To find out which transport ...

Message classification {0} cannot be removed because it is used by one or more transport rules. To find out which transport rules are using this message classification run this command:Get-TransportRule | ?{{($_.HasClassification -eq '{0}') -or ($_.ExceptIfHasClassification -eq '{0}') -or ($_.ApplyClassification -eq '{0}')}}