/**
  * @param \Generated\Shared\Transfer\PdfTemplateTransfer $pdfTemplate
  *
  * @return string
  */
 public function render(PdfTemplateTransfer $pdfTemplate)
 {
     $loader = new Filesystem($this->config->getTwigTemplatePaths());
     $twig = new Twig_Environment($loader);
     $twig->setExtensions($this->extensions);
     $this->addFilters($twig);
     $this->addFunctions($twig);
     $path = $pdfTemplate->getPath();
     $parameter = $pdfTemplate->getParameter();
     if ($parameter === null) {
         $parameter = [];
     }
     return $twig->render($path, $parameter);
 }