Escapia provides support for creating promo/coupon codes that can be used for discounts on certain properties. Those codes can be used by your website to display accurate discounted rates based on Escapia software calculations. This article will help you understand how to create new promo codes.
Create promo/coupon code in Escapia
The instructions for doing this can be found on Escapia's website here.
In addition to setting up the details of the promo code in Escapia, it is also necessary to select the "network partners" which these codes apply to. The network partner might be named Scurto Marketing or the name of your company/website (see screenshot below).

In some cases, Escapia support must be contacted to enable promo codes for a particular account.