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# Zuora CPQ Object Model

> This article explains the custom objects in Zuora 360 and Zuora Quotes, and how to generate an ER diagram to view their relationships.

This article explains the custom objects in Zuora 360 and Zuora Quotes, and how to generate an ER diagram to view their relationships.

## Zuora CPQ object model

The diagram below summarizes the objects and their relationships in Zuora CPQ. Click the diagram for an enlarged view.

If you have the Orders feature enabled in your Zuora tenant, the available objects and their relationships are different. For information about how Orders and related objects are mapped between Zuora and Zuora Quotes, see [Order Mappings](https://docs.zuora.com/en/zuora-cpq/zuora-cpq-configurations/orders-in-zuora-quotes/order-mappings). For a summary of Orders objects and their relationships, see [Orders Object Model](https://docs.zuora.com/en/zuora-billing/manage-accounts-subscriptions-and-non-subscriptions/manage-subscription-transactions/orders/orders-introduction/orders-object-model).

Figure 1. Object model

![Object model](/_fern-img/0f92a65b16ff437c374919284adf163f1a364b9278ff97383b1543fee18e4c4b.webp)