---
title: CSSM_SAMPLE_TYPE_KEYCHAIN_CHANGE_LOCK
framework: security
role: symbol
role_heading: Global Variable
path: security/cssm_sample_type_keychain_change_lock
---

# CSSM_SAMPLE_TYPE_KEYCHAIN_CHANGE_LOCK

## Declaration

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