--- title: CheckoutBrandingHeaderCartLinkInput - GraphQL Admin description: The input fields for header cart link customizations. api_version: 2025-10 api_name: admin type: input-object api_type: graphql source_url: html: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/checkoutbrandingheadercartlinkinput md: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/checkoutbrandingheadercartlinkinput.md --- # Checkout​Branding​Header​Cart​Link​Input input\_object The input fields for header cart link customizations. ## Fields * content​Type [Checkout​Branding​Cart​Link​Content​Type](https://shopify.dev/docs/api/admin-graphql/latest/enums/CheckoutBrandingCartLinkContentType) The input for the content type for the header back to cart link in 1-page checkout. Setting this to image will render the custom image provided using the image field on the header cart\_link object. If no image is provided, the default cart icon will be used. * image [Checkout​Branding​Image​Input](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CheckoutBrandingImageInput) The input for the image that's used for the header back to cart link in 1-page checkout when the content type is set to image. *** ## Input objects using this input * [Checkout​Branding​Header​Input.cartLink](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CheckoutBrandingHeaderInput#fields-cartLink) INPUT OBJECT The input fields used to update the header customizations. *** ## Map ### Input objects using this input * [Checkout​Branding​Header​Input.cartLink](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CheckoutBrandingHeaderInput#fields-cartLink)