---
title: NFCTagResponseUnexpectedLengthErrorKey
framework: corenfc
role: symbol
role_heading: Global Variable
path: corenfc/nfctagresponseunexpectedlengtherrorkey
---

# NFCTagResponseUnexpectedLengthErrorKey

A user-information dictionary key that indicates an invalid received response packet length.

## Declaration

```swift
let NFCTagResponseUnexpectedLengthErrorKey: String
```

## Discussion

Discussion If an error object’s userInfo dictionary contains this key, the received response packet length is invalid.

## See Also

### Errors

- [NFCReaderError.Code](corenfc/nfcreadererror-swift.struct/code.md)
- [NFCReaderError](corenfc/nfcreadererror-swift.struct.md)
- [NFCErrorDomain](corenfc/nfcerrordomain.md)