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Relations between Cart 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 Cart Module and other Commerce Modules.

Customer Module​

A cart is scoped to the customer using it. The Medusa application forms a relation between the Cart and Customer data models.

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

Payment Module​

The Payment Module allows you to associate payments with a cart. The Medusa application forms a relation between the Cart and PaymentCollection data models.

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

Promotion Module​

A promotion can be applied on line items and shipping methods of a cart. The Medusa application forms a relation between the Cart and Promotion data models.

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

Sales Channel Module​

A cart is scoped to a sales channel. The Medusa application forms a relation between the Cart and SalesChannel data models.

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

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