Make upload files a zip within Gravity Forms

Hi!
I installed Gravity Forms and i want to accive the customer to upload their images within the form. How do i make the uploaded files to an zip file, and the link to the zip file is appearing in the notice mail. How to? I have tested with a plugin thats zipping the file and then attaching it to the mail. But i want it to only zip and paste in the URL

The page I need help with: [log in to see the link]