public function createActivity($name, $type, $start_date_local, $elapsed_time, $description = null, $distance = null, $private = null, $trainer = null)
    {
        try {
            return $this->service->createActivity($name, $type, $start_date_local, $elapsed_time, $description, $distance, $private, $trainer);
        } catch (ServiceException $e) {
            throw new ClientException('[SERVICE] ' . $e->getMessage());
        }
    }