Physical format
Use this property to specify the name of the Message Repository Manager (MRM) physical format in the specified message set that is used for the publication messages.
This property is available only if you set Message service domain to mrm or idoc.
This property represents the value of the <Fmt> element in the <mcd> message content descriptor service folder. You must define the message set for the message broker.
Valid values are up to 128 characters. There is no default value.