---
title: proprietaryApplicationDataCoding
framework: corenfc
role: symbol
role_heading: Instance Property
path: corenfc/nfciso7816tag/proprietaryapplicationdatacoding
---

# proprietaryApplicationDataCoding

A Boolean value that indicates whether the application data follows proprietary data coding.

## Declaration

```swift
var proprietaryApplicationDataCoding: Bool { get }
```

## Discussion

Discussion If the value is false, data in the applicationData property follows the ISO14443-3 specification.

## See Also

### Getting Tag Information

- [initialSelectedAID](corenfc/nfciso7816tag/initialselectedaid.md)
- [identifier](corenfc/nfciso7816tag/identifier.md)
- [historicalBytes](corenfc/nfciso7816tag/historicalbytes.md)
- [applicationData](corenfc/nfciso7816tag/applicationdata.md)