---
title: instructionCode
framework: corenfc
role: symbol
role_heading: Instance Property
path: corenfc/nfciso7816apdu/instructioncode
---

# instructionCode

The value of the instruction code (INS) byte.

## Declaration

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

## See Also

### Getting the Instruction Bytes

- [instructionClass](corenfc/nfciso7816apdu/instructionclass.md)