---
title: kSecCodeInfoPlatformIdentifier
framework: security
role: symbol
role_heading: Global Variable
path: security/kseccodeinfoplatformidentifier
---

# kSecCodeInfoPlatformIdentifier

A key whose value identifies the operating system release with which the code is associated, if any.

## Declaration

```swift
let kSecCodeInfoPlatformIdentifier: CFString
```

## Discussion

Discussion If this code was signed as part of an operating system release, the value identifies that release.