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

# supplementalPayloadData

## Declaration

```swift
var supplementalPayloadData: Data? { get }
```

## See Also

### Parsing the Payload

- [payloadStringValue](vision/vnbarcodeobservation/payloadstringvalue.md)
- [payloadData](vision/vnbarcodeobservation/payloaddata.md)
- [supplementalPayloadString](vision/vnbarcodeobservation/supplementalpayloadstring.md)
- [supplementalCompositeType](vision/vnbarcodeobservation/supplementalcompositetype.md)
- [isGS1DataCarrier](vision/vnbarcodeobservation/isgs1datacarrier.md)