---
title: CartLineParentRelationship - Storefront API
description: Represents the parent relationship of a cart line.
api_version: 2026-10
source_url:
  html: >-
    https://shopify.dev/docs/api/storefront/latest/objects/CartLineParentRelationship
  md: >-
    https://shopify.dev/docs/api/storefront/latest/objects/CartLineParentRelationship.md
api_name: storefront
api_type: graphql
type: object
---

# Cart​Line​Parent​Relationship

object

Represents the parent relationship of a cart line.

## Fields

* parent

  [Cart​Line!](https://shopify.dev/docs/api/storefront/latest/objects/CartLine)

  non-null

  The parent cart line.

***

## Map

### Fields with this object

* [CartLine.parentRelationship](https://shopify.dev/docs/api/storefront/latest/objects/CartLine#field-CartLine.fields.parentRelationship)