---
title: CartMetafieldDeleteInput - Storefront API
description: The input fields to delete a cart metafield.
api_version: 2025-01
api_name: storefront
type: input-object
api_type: graphql
source_url:
  html: https://shopify.dev/docs/api/storefront/2025-01/input-objects/cartmetafielddeleteinput
  md: https://shopify.dev/docs/api/storefront/2025-01/input-objects/cartmetafielddeleteinput.md
---

# Cart​Metafield​Delete​Input

input\_object

The input fields to delete a cart metafield.

## Fields

* key

  [String!](https://shopify.dev/docs/api/storefront/2025-01/scalars/String)

  non-null

  The key name of the cart metafield. Can either be a composite key (`namespace.key`) or a simple key that relies on the default app-reserved namespace.

* owner​Id

  [ID!](https://shopify.dev/docs/api/storefront/2025-01/scalars/ID)

  non-null

  The ID of the cart resource.

***

## Map

No referencing types