Method display

/**
 * Execute and display a template script.
 *
 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
 *
 * @return  void
 *
 * @since   3.2
 * @throws  \Exception
 */
public function display($tpl = null)
{
    $this->prepareDocument();
    parent::display($tpl);
}