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Relations between Promotion Module and Other Modules

When Commerce Modules are used together in a Medusa application, the Medusa application handles building the relations between these modules.

This document showcases the relation between the Promotion Module and other Commerce Modules.

Cart Module​

When the Cart and Promotion modules are used together, the Medusa application links the Promotion data model to the Cart, LineItemAdjustment, and ShippingMethodAdjustment data models of the Cart Module.

A diagram showcasing an example of how resources from the Promotion and Cart modules are linked

A promotion is linked to a cart when a promotion is applied on the cart. Adjustments on items and shipping methods, represented by the LineItemAdjustment and ShippingMethodAdjustment data models, are linked to the promotion as well.

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