title: How to support file upload in web-form Liferay 7?
body: <p>I need a simple extension for Liferay web form to enahance file attachment to data flled in a liferay 7 web form.</p>
  
  <p>Also need to sent this file as an attachment with the email to the registered user.</p>
  
  <p>I know how to achieve this functionality in liferay 6.2 but not about liferay 7. I am using liferay 7 GA-5 CE.  </p>
  
  <p>Any help appreciated.</p>