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Also, to pay for an order under a promotion, you need to send the additional parameter “PROMONAME” in the request. The value of the parameter is the name of the specific promotion. The unique name of the promotion is generated by the IPS Assist technical support service and transferred to the merchant (the name can also be chosen together with the merchant).
The main part of the promotion settings is performed on the IPS Assist side. To do this, the merchant should inform the technical support department of IPS Assist about the exact values of the promotion parameters: