!Experimental!
        Calls out to the client code requesting seed values to use in the UI
        !Experimental!

def fetchExternalUpdates(self):
        """
        !Experimental!
        Calls out to the client code requesting seed values to use in the UI
        !Experimental!
        """
        seeds = seeder.fetchDynamicProperties(
            self.buildSpec['target'],
            self.buildSpec['encoding']
        )
        for config in self.configs:
            config.seedUI(seeds)