---
title: currentSystemCode
framework: corenfc
role: symbol
role_heading: Instance Property
path: corenfc/nfcfelicatag/currentsystemcode
---

# currentSystemCode

The system code most recently selected by the reader session during a polling sequence.

## Declaration

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

## Discussion

Discussion The system code matches one of the entries in the array for the ISO18092 system codes for NFC Tag Reader Session information property list key.

## See Also

### Getting Current Information

- [currentIDm](corenfc/nfcfelicatag/currentidm.md)