---
title: instructionClass
framework: corenfc
role: symbol
role_heading: Instance Property
path: corenfc/nfciso7816apdu/instructionclass
---

# instructionClass

The value of the instruction class (CLA) byte.

## Declaration

```swift
var instructionClass: UInt8 { get }
```

## See Also

### Getting the Instruction Bytes

- [instructionCode](corenfc/nfciso7816apdu/instructioncode.md)