def GroupSensorsMetatagsGet(self, group_id, parameters, namespace = None):
        """
            Retrieve sensors in a group with their metatags.
            
            @param group_id (int) - Group id for which to retrieve metatags.
            @param namespace (string) - Namespace for which to retrieve the metatags.
            @param parameters (dictionary) - Dictionary containing further parameters.
            
            @return (bool) - Boolean indicating whether GroupSensorsMetatagsGet was successful
        """
        ns = "default" if namespace is None else namespace
        parameters['namespace'] = ns
        if self.__SenseApiCall__('/groups/{0}/sensors/metatags.json'.format(group_id), 'GET', parameters = parameters):
            return True
        else:
            self.__error__ = "api call unsuccessful"
            return False
Retrieve sensors in a group with their metatags.
            
            @param group_id (int) - Group id for which to retrieve metatags.
            @param namespace (string) - Namespace for which to retrieve the metatags.
            @param parameters (dictionary) - Dictionary containing further parameters.
            
            @return (bool) - Boolean indicating whether GroupSensorsMetatagsGet was successful