protected function createRequest()
{
$request = new \SimpleXMLElement('<?xml version="1.0" encoding="iso-8859-1"?><ReqC />');
$request['lang'] = $this->lang;
$request['prod'] = \Transport\API::SBB_PROD;
$request['ver'] = \Transport\API::SBB_VERSION;
$request['accessId'] = \Transport\API::SBB_ACCESS_ID;
return $request;
}