---
title: paymentData
framework: passkit
role: symbol
role_heading: Instance Property
path: passkit/pkpaymenttoken/paymentdata
---

# paymentData

The payment data as a UTF-8 encoded serialization of a JSON dictionary.

## Declaration

```swift
var paymentData: Data { get }
```

## Discussion

Discussion Send this data to your e-commerce back-end system, where it can be decrypted and submitted to your payment processor. For the format of the payment data, see Payment Token Format Reference.

## See Also

### Related Documentation

- [Wallet Developer Guide](apple-archive/documentation/UserExperience/Conceptual/PassKit_PG.md)

### Working with payment tokens

- [paymentMethod](passkit/pkpaymenttoken/paymentmethod.md)
- [PKPaymentMethod](passkit/pkpaymentmethod.md)
- [transactionIdentifier](passkit/pkpaymenttoken/transactionidentifier.md)