---
title: AttributeInput - Storefront API
description: The input fields for an attribute.
api_version: 2025-10
api_name: storefront
type: input-object
api_type: graphql
source_url:
  html: https://shopify.dev/docs/api/storefront/latest/input-objects/AttributeInput
  md: https://shopify.dev/docs/api/storefront/latest/input-objects/AttributeInput.md
---

# Attribute​Input

input\_object

The input fields for an attribute.

## Fields

* key

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

  non-null

  Key or name of the attribute.

* value

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

  non-null

  Value of the attribute.

***

## Input objects using this input

* [Cart​Input.attributes](https://shopify.dev/docs/api/storefront/latest/input-objects/CartInput#fields-attributes)

  INPUT OBJECT

  The input fields to create a cart.

* [Cart​Line​Input.attributes](https://shopify.dev/docs/api/storefront/latest/input-objects/CartLineInput#fields-attributes)

  INPUT OBJECT

  The input fields to create a merchandise line on a cart.

* [Cart​Line​Update​Input.attributes](https://shopify.dev/docs/api/storefront/latest/input-objects/CartLineUpdateInput#fields-attributes)

  INPUT OBJECT

  The input fields to update a line item on a cart.

***

## Map

### Input objects using this input

* [Cart​Input.attributes](https://shopify.dev/docs/api/storefront/latest/input-objects/CartInput#fields-attributes)
* [Cart​Line​Input.attributes](https://shopify.dev/docs/api/storefront/latest/input-objects/CartLineInput#fields-attributes)
* [Cart​Line​Update​Input.attributes](https://shopify.dev/docs/api/storefront/latest/input-objects/CartLineUpdateInput#fields-attributes)