/**
* Making a request to get the notification
*/
public function notification()
{
$data = array('token_account' => Config::getTokenAccount(), 'token_transaction' => $this->getTokenTransaction());
$client = $this->createClient();
$request = $client->post(Config::getBaseURL() . Config::getNotificationURL(), array(), $data);
$response = $this->buildXML((string) $request->send()->getBody());
if ((string) $response->message_response->message !== 'success') {
throw new TrayException('Notification error');
}
$this->setDataFromObject($response);
}