Referral scheme plugin is a WordPress plugin and dependent on WooCommerce plugin. A Referral scheme plugin generates a unique number assigned to your account. You can use this code to refer your friends and get rewarded! When you refer the referral code to your friend then they earn points which you would have entered under WooCommerce setting tab. You and your friend both will get the same points.

Demo: https://codecanyon.net/item/woocommerce-referral-scheme-wordpress-plugin/24593809