private function generateRequest($transactionId)
{
$request = new PostRequest($this->url);
$basic = new Basic();
$request->addHeader($basic->generateHeader($this->email, $this->token));
$request->addHeader("Content-Type:application/json;charset=" . Config::charset);
$request->setUrl(vsprintf($this->url, $transactionId));
return $request;
}
