When you say ‘auto generate’ forms, what exactly do you mean?
What is your flow?
Do you simply want to send the details of the user to the group leader via email? Then there are no forms here, this can be setup using Velo and an automated Email service provider such as Wix Triggered Emails or Sengrid.
OR
Do you want to prefill the user details in a form and collect additional info as well, and when the user clicks on send, it goes over to the group leader’s email? That can also be done with forms built using custom input elements and automations, along with a little bit of code.
Then you can either embed various forms such as a Google Form or Jotform with the user info pre-filled using code.
Here’s an example: