code: public function parse($arrAttributes=null)
  	{
  		$strClass = 'select';
  
  		if ($this->multiple)
  		{
  			$this->strName .= '[]';
  			$strClass = 'multiselect';
  		}
  
  		// Make sure there are no multiple options in single mode
  		elseif (\is_array($this->varValue))
  		{
  			$this->varValue = $this->varValue[0];
  		}
  
  		// Chosen
  		if ($this->chosen)
  		{
  			$strClass .= ' tl_chosen';
  		}
  
  		// Custom class
  		if ($this->strClass != '')
  		{
  			$strClass .= ' ' . $this->strClass;
  		}
  
  		$this->strClass = $strClass;
  
  		return parent::parse($arrAttributes);
  	}
docs: Parse the template file and return it as string
  
  @param array $arrAttributes An optional attributes array
  
  @return string The template markup