--- title: PointOfSaleDevicePaymentSessionOpenUserError - GraphQL Admin description: >- An error that occurs during the execution of `PointOfSaleDevicePaymentSessionOpen`. api_version: 2026-04 api_name: admin type: object api_type: graphql source_url: html: >- https://shopify.dev/docs/api/admin-graphql/latest/objects/PointOfSaleDevicePaymentSessionOpenUserError md: >- https://shopify.dev/docs/api/admin-graphql/latest/objects/PointOfSaleDevicePaymentSessionOpenUserError.md --- # Point​Of​Sale​Device​Payment​Session​Open​User​Error object An error that occurs during the execution of `PointOfSaleDevicePaymentSessionOpen`. ## Fields * code [Point​Of​Sale​Device​Payment​Session​Open​User​Error​Code](https://shopify.dev/docs/api/admin-graphql/latest/enums/PointOfSaleDevicePaymentSessionOpenUserErrorCode) The error code. * field [\[String!\]](https://shopify.dev/docs/api/admin-graphql/latest/scalars/String) The path to the input field that caused the error. * message [String!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/String) non-null The error message. *** ## Map No referencing types *** ## Mutations * [point​Of​Sale​Device​Payment​Session​Open](https://shopify.dev/docs/api/admin-graphql/latest/mutations/pointOfSaleDevicePaymentSessionOpen) mutation Opens a point of sale device payment session. * point​Of​Sale​Device​Id [ID!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID) required ### Arguments The point of sale device to which this session belongs. * balance [Money​Input](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/MoneyInput) The counted cash drawer balance when the session was opened. * staff​Member​Id [ID!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID) required The staff member who opened the session. * time [Date​Time](https://shopify.dev/docs/api/admin-graphql/latest/scalars/DateTime) The time the session was opened. Defaults to the current time. * reason​Code​Id [ID](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID) The reason code for the session opening. * note [String](https://shopify.dev/docs/api/admin-graphql/latest/scalars/String) The note entered when the session was opened. *** *** ## PointOfSaleDevicePaymentSessionOpenUserError Mutations ### Mutated by * [point​Of​Sale​Device​Payment​Session​Open](https://shopify.dev/docs/api/admin-graphql/latest/mutations/pointOfSaleDevicePaymentSessionOpen) *** ## Interfaces * [Displayable​Error](https://shopify.dev/docs/api/admin-graphql/latest/interfaces/DisplayableError) interface *** ## PointOfSaleDevicePaymentSessionOpenUserError Implements ### Implements * [Displayable​Error](https://shopify.dev/docs/api/admin-graphql/latest/interfaces/DisplayableError)