Magento Coupon Gift Product

Magento Coupon Gift Product adds gift product when specific coupon code applied. The coupon code can be created using magento default sales rule at the admin Promotions -> Shopping Cart Price Rules. For usage gift product please select option Apply: Add Gift Product at the Actions tab. Then you need to leave Discount Amount as 0 because it required field and fill Gift Product Sku with sku of the gift product. Field set gift product price 0 will force gift product with zero price this way it can be used for free gift by coupon.