function getCAPIDFromCAPcode($CAPcode){
        $this->selectService($this::SERVICE_VEHICLES);
        $this->restParams();
        $this->addParams(array(
            "Database"      => $this->database,
            "CAPcode"       => $CAPcode
        ));

        $call = $this->call("GetCAPIDFromCAPcode");
        $response = $call->GetCAPIDFromCAPcodeResult;

                $result = simplexml_load_string($response->Returned_DataSet->any);

        if(empty($result)){
            return false;
        }else{
            return $result->NewDataSet->Table->CDer_ID;
        }
    }