We are pleased that we updated our module Facebook Fan Coupon. We added Advanced conditions feature, which mean that now you can define additional voucher specification. You can set up where voucher code will be availalable. What does it mean? It mean that you can specify categories for which voucher code will be active. Moreover - you can define also product list for which voucher code will ba available. How this feature looks like you can check on image below:

Facebook Fan Coupon - Prestashop Module