To increase sales and gain satisfied customers? With this module you can from your shop to create a reference grid, through which you can improve your profits and your customers will be satisfied. It is that simple. When registering, customers enter the reference ID link to another customer, who recommended to your shop. Once the customer creates order, the user who recommended him gain profit. Reference works referencing 1 to 10 levels. The module is simple and clear installation and setup will take up to 3 minutes..