Event promo codes Released 2/21/2013 See event promo codes in action - - Create a Promo Code on your Event Fees tab and then post your promo code on specific advertising so you can track the effectiveness of the ad or provide this promo code to a select group of attendees. Create multiple codes for each event if desired. Limits on usage are available at the event level and registration level. For Plus edition users only. Available to those with either integrated Billing or those with the CQI connection.