To create a promo code: Navigate to Financial > Settings > Discount / Promo Codes. Click '+ New Promo Code'. Configure the desired settings for the promo code. Name: The name of your promo code. This name will display after the promo code is applied on invoices, the POS, or the Online Sales Portal.
If you issue one promo code to every subscriber you can trace all redemptions back to your mobile coupon campaign. Basically, since there's only one promo code you'd assume the only way people could have received it was through one of your text messages. This is the most simple way to track redemptions.
How to use your Nike promo code