You can send your contestants coupon codes once they unlock a reward by following these steps:
1. Go into and edit one of your rewards.
2. As long as the reward type is not "other", if you scroll down you'll see "Send email?" toggle that on and click "Edit Email"
3. Scroll down and you will see a "coupon bank" area. You can enter your coupons here.
4. Make sure to include the coupon shortcode in your email in order for contestants to receive the coupon.
5. Click Done Editing to finish!