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# currentSystemCode

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

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

## Discussion

The system code matches one of the entries in the array for the <doc://com.apple.documentation/documentation/BundleResources/Entitlements/com.apple.developer.nfc.readersession.felica.systemcodes> information property list key.

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