---
title: supplementalPayloadData
framework: vision
role: symbol
role_heading: Instance Property
path: vision/barcodeobservation/supplementalpayloaddata
---

# supplementalPayloadData

The raw data representation of the barcode’s supplemental payload.

## Declaration

```swift
let supplementalPayloadData: Data?
```

## See Also

### Getting the payload

- [payloadData](vision/barcodeobservation/payloaddata.md)
- [payloadString](vision/barcodeobservation/payloadstring.md)
- [supplementalPayloadString](vision/barcodeobservation/supplementalpayloadstring.md)