--- title: CustomerUpdateInput - Customer API description: The input fields to update a customer's personal information. api_version: 2024-10 api_name: customer type: input_object api_type: graphql source_url: html: >- https://shopify.dev/docs/api/customer/2024-10/input-objects/CustomerUpdateInput md: >- https://shopify.dev/docs/api/customer/2024-10/input-objects/CustomerUpdateInput.txt --- # Customer​Update​Input input\_object The input fields to update a customer's personal information. ## Fields * first​Name [String](https://shopify.dev/docs/api/customer/2024-10/scalars/String) The customer's first name. * last​Name [String](https://shopify.dev/docs/api/customer/2024-10/scalars/String) The customer's last name. *** ## Mutations using this input * [customer​Update.​input](https://shopify.dev/docs/api/customer/2024-10/mutations/customerUpdate#argument-input) MUTATION *** ## Map ### Mutations using this input * <\~>[customer​Update.input](https://shopify.dev/docs/api/customer/2024-10/mutations/customerUpdate#argument-input)