code: protected function getHelpWizard($key, $field)
      {
          // Add the help wizard.
          if (empty($field['eval']['helpwizard'])) {
              return '';
          }
  
          $event = new GenerateHtmlEvent(
              'about.svg',
              $GLOBALS['TL_LANG']['MSC']['helpWizard'],
              'style="vertical-align:text-bottom;"'
          );
          $this->getEventDispatcher()->dispatch(ContaoEvents::IMAGE_GET_HTML, $event);
  
          return sprintf(
              ' <a href="%shelp.php?table=%s&amp;field=%s_%s" title="%s" rel="lightbox[help 610 80%]">%s</a>',
              TL_PATH . 'contao/',
              $this->strTable,
              $this->strName,
              $key,
              StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['helpWizard']),
              $event->getHtml()
          );
      }
docs: Generate an help wizard if needed.
  
  @param string $key   The widget name.
  
  @param array  $field The field DCA - might get changed within this routine.
  
  @return string
  
  @SuppressWarnings(PHPMD.Superglobals)
  @SuppressWarnings(PHPMD.CamelCaseVariableName)