public function process($definition)
 {
     $beaconConfigService = new BeaconConfigurationService();
     if (!isset($definition)) {
         return null;
     }
     $result = null;
     try {
         $datapoint = new SimpleXMLElement($definition);
         if ($datapoint['type'] == "config") {
             $key = trim($datapoint->parameters->key . "");
             $name = trim($datapoint->settings->name . "");
             $value = null;
             if (isset($key)) {
                 $value = $beaconConfigService->getConfigValue($key);
             }
             $result = $value;
         }
     } catch (Exception $exc) {
         echo $exc->getTraceAsString();
     }
     return $result;
 }