code: public function generate()
  	{
  		if (TL_MODE == 'BE')
  		{
  			$objTemplate = new BackendTemplate('be_wildcard');
  			$objTemplate->wildcard = '### ' . Utf8::strtoupper($GLOBALS['TL_LANG']['FMD']['login'][0]) . ' ###';
  			$objTemplate->title = $this->headline;
  			$objTemplate->id = $this->id;
  			$objTemplate->link = $this->name;
  			$objTemplate->href = 'contao/main.php?do=themes&amp;table=tl_module&amp;act=edit&amp;id=' . $this->id;
  
  			return $objTemplate->parse();
  		}
  
  		if (!$_POST && $this->redirectBack && ($strReferer = $this->getReferer()) != Environment::get('request'))
  		{
  			$_SESSION['LAST_PAGE_VISITED'] = $strReferer;
  		}
  
  		return parent::generate();
  	}
docs: Display a login form
  
  @return string