---
title: currentIDm
framework: corenfc
role: symbol
role_heading: Instance Property
path: corenfc/nfcfelicatag/currentidm
---

# currentIDm

The manufacturer identifier for the system currently selected by the reader session.

## Declaration

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

## Discussion

Discussion The reader session updates currentIDm each time your app calls the polling(systemCode:requestCode:timeSlot:completionHandler:) method. The data contained in currentIDm is empty when the system selection fails.

## See Also

### Getting Current Information

- [currentSystemCode](corenfc/nfcfelicatag/currentsystemcode.md)