---
title: CSSM_ACL_PREAUTH_TRACKING_UNKNOWN
framework: security
role: symbol
role_heading: Global Variable
path: security/cssm_acl_preauth_tracking_unknown
---

# CSSM_ACL_PREAUTH_TRACKING_UNKNOWN

## Declaration

```swift
var CSSM_ACL_PREAUTH_TRACKING_UNKNOWN: UInt32 { get }
```