Add Promotion to Cart

Add a promotion to the specified cart. If an optional child product belongs to a promotion, the promotion is applied to the newly added product when that product is added to the cart.

This API supports the guest user enhancements that Salesforce introduced with the Winter ‘21 release. To encrypt and decrypt data for guest users, use the UserSecurity class with this API. See Guest User Technical Details.

For additional information, ​see UserSecurity Class and CPQ and Digital Commerce Changes for Guest Users.

Communication (vlocity_cmt)

For API parameter names and descriptions, see Cart-Based API Swagger Reference.