Coupon Codes and tell a friend

I would like to create a “tell a friend” system in my website, in order to give the users the opportunity to gain a coupon code if they tell a friend to buy a membership in my website. Is it possible through s2Member Pro Coupon Codes? Do I have to use both Coupon code configuration and Affiliate Coupon Codes or I have to do something else? And what I have to customise in order this system to work fine not only with paypal?

Please help me as soon as possible. I have already s2member Pro.

Thank you very much!

Well, s2Member doesn’t have a tell-a-friend feature, or dynamic coupon codes.

What you could probably do is have a coupon for this purpose, and when the user submits your form to tell his friends, the script sends him an email with that coupon you have to reward him.