# UpdateEmvCaptureDataInput

Input · GraphQL API

Input fields for storing EMV data required for capture requests.

## Fields

- `clientMutationId` (`String`): An identifier used to reconcile requests and responses. 255 characters maximum.
- `transactionId` (`ID!`) — required: The transaction id.
- `emvData` (`String!`) — required: EMV data.

## Used by

- [updateEmvCaptureData](/braintree/graphql/reference/mutations/update-emv-capture-data) — Mutation; input

## GraphQL definition

```graphql
input UpdateEmvCaptureDataInput {
  clientMutationId: String
  transactionId: ID!
  emvData: String!
}
```

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