# RequestFirmwareUpdateFromInStoreReaderInput

Input · GraphQL API

Input fields for requesting a firmware update for an in-store reader.

## Fields

- `clientMutationId` (`String`): An identifier used to reconcile requests and responses. 255 characters maximum.
- `readerId` (`ID!`) — required: The in-store reader to receive the firmware update.

## Used by

- [requestFirmwareUpdateFromInStoreReader](/braintree/graphql/reference/mutations/request-firmware-update-from-in-store-reader) — Mutation; input

## GraphQL definition

```graphql
input RequestFirmwareUpdateFromInStoreReaderInput {
  clientMutationId: String
  readerId: ID!
}
```

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[View the complete GraphQL schema on GitHub](https://raw.githubusercontent.com/braintree/graphql-api/refs/heads/master/schema.graphql)