---
title: cartMetafieldDelete - Storefront API
description: Deletes a cart metafield.
api_version: 2025-10
api_name: storefront
type: mutation
api_type: graphql
source_url:
  html: 'https://shopify.dev/docs/api/storefront/latest/mutations/cartMetafieldDelete'
  md: >-
    https://shopify.dev/docs/api/storefront/latest/mutations/cartMetafieldDelete.md
---

# cart​Metafield​Delete

mutation

Deletes a cart metafield.

## Arguments

* input

  [Cart​Metafield​Delete​Input!](https://shopify.dev/docs/api/storefront/latest/input-objects/CartMetafieldDeleteInput)

  required

  The input fields used to delete a cart metafield.

***

## Cart​Metafield​Delete​Payload returns

* deleted​Id

  [ID](https://shopify.dev/docs/api/storefront/latest/scalars/ID)

  The ID of the deleted cart metafield.

* user​Errors

  [\[Metafield​Delete​User​Error!\]!](https://shopify.dev/docs/api/storefront/latest/objects/MetafieldDeleteUserError)

  non-null

  The list of errors that occurred from executing the mutation.

***

## Examples

* ### cartMetafieldDelete reference

## Mutation Reference

```graphql
mutation cartMetafieldDelete($input: CartMetafieldDeleteInput!) {
  cartMetafieldDelete(input: $input) {
    deletedId
    userErrors {
      field
      message
    }
  }
}
```

## Input

##### Variables

```json
{
  "input": {
    "ownerId": "gid://shopify/<objectName>/10079785100",
    "key": "<your-key>"
  }
}
```

##### Schema

```graphql
input CartMetafieldDeleteInput {
  ownerId: ID!
  key: String!
}
```