Hi,
I wasn't able to find any macro that would be result in the Messaging messages (not the Message Boards). So if you really need a macro I guess you could write your own Macro:
https://docs.kentico.com/display/K9/Registering+custom+macro+methods
You could use the MessageInfoProvider. More info about this API:
https://docs.kentico.com/display/API9/Messages
Greets,
David