code: def get_preferences(self):
          
          schema = PreferencesSchema()
          resp = self.service.get(self.base+'preferences/')
          return self.service.decode(schema, resp)
docs: Get preferences from /usr/cdrouter-data/etc/config.yml.
  
          :return: :class:`system.Preferences <system.Preferences>` object
          :rtype: system.Preferences