---
title: expectedResponseLength
framework: corenfc
role: symbol
role_heading: Instance Property
path: corenfc/nfciso7816apdu/expectedresponselength
---

# expectedResponseLength

The expected response data length (Le) in bytes.

## Declaration

```swift
var expectedResponseLength: Int { get }
```

## Discussion

Discussion Setting expectedResponseLength with a value less than 0 means the Le field is absent.