Additional functionality can be used to trigger Promotions via the User-Defined field in the Promotion Advanced tab.
E.g. Applying Promotions to specific Customers via a Text File Linked in User-Defined Text, Triggering a Promotion based on User-Defined Yes/No Fields, etc.
Each function that is available via the Promotion Advanced Tab User-Defined field is outlined as a separate page in this sub-topic.