function authenticate ($params) {
        // just for test
        $params = {
            'login': '34gci001',
            'pwdhash': md5 ($mypass)
        };

        // ???? $this->setDistantModuleCalling('spots');
        $this->setCommandData(serialize($params));
        $this->sendCommand('authenticateRemoteUser');

        return $this->sendRequest('loadWebservice');
    }