If you're looking to use coupons on AW LAB to cop discounted pairs, we've got some great news for you! You literally have NOTHING more to do other than creating and running your tasks. Indeed, we handle the coupon generation on the server side, and therefore a coupon will automatically be applied to your order when possible.
However, if you want to use your own coupon codes, you can do so by inputting it in a DISCOUNT CODE column, as explained in this article. (See "Additional Fields" section)
To learn how to create your tasks for AW LAB and start cooking, please refer to this article.