With such metadata, it's also possible to control who (which user) can access what data.
Open Metadata Architecture (OMA)
The OMA aspires to be the single, central point of access for all information needed within a SAS environment.
Part of this API seems to be an the open metadata interface API that allows to access the Metadata Server so that third parties can write applications to access the Metadata Server
Managing the metadata server
The metadata server can be managed with the SAS Management Console.