async def expose(self, application):
        """
        :param application string:
            Application holds the placeholder name of the application that must
            be exposed.
        """
        application = self.resolve(application)
        log.info('Exposing %s', application)
        return await self.model.applications[application].expose()
:param application string:
            Application holds the placeholder name of the application that must
            be exposed.