---
displayed_sidebar: customerReference
---

import { TypeList } from "docs-ui"

# GroupCustomerPair

The details of a customer and customer group pair.

<TypeList types={[{"name":"customer_id","type":"`string`","description":"The customer's ID.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"customer_group_id","type":"`string`","description":"The customer group's ID.","optional":false,"defaultValue":"","expandable":false,"children":[]}]} expandUrl="https://docs.medusajs.com/learn/fundamentals/data-models/manage-relationships#retrieve-records-of-relation" sectionTitle="GroupCustomerPair"/>