When the reference follows the link in their e-mail, they'll see something like this:
Exactly what fields, their layout and the site design look like are of course dependent on your VSys Live site's setup and the fields you include in the application.
The reference now just needs to fill out the appropriate fields and click Submit. You can then see what the reference has entered using the Application Approval Manager tool. If you want to be notified when these are submitted, use a notification subscription based on "VSys Live Application".