public function UpdateSecretKey($appId, $keyId, $description = null, $active = null)
 {
     $request = new ServiceRequest($this->_configuration);
     $params = array('appid' => $appId, 'secretkeyid' => $keyId);
     if (isset($description)) {
         $params['description'] = $description;
     }
     if (isset($allowDelete)) {
         $params['active'] = $active;
     }
     $request->setMethodParams($params);
     $response = $request->CallManagerService("rustici.application.updateSecretKey");
     return $response;
 }