---
title: kSecCodeAttributeSubarchitecture
framework: security
role: symbol
role_heading: Global Variable
path: security/kseccodeattributesubarchitecture
---

# kSecCodeAttributeSubarchitecture

A key whose value is a string indicating a specific processor type, such as i686 or core2.

## Declaration

```swift
let kSecCodeAttributeSubarchitecture: CFString
```