---
title: CSSM_ERRCODE_INVALID_ACL_CHALLENGE_CALLBACK
framework: security
role: symbol
role_heading: Global Variable
path: security/cssm_errcode_invalid_acl_challenge_callback
---

# CSSM_ERRCODE_INVALID_ACL_CHALLENGE_CALLBACK

## Declaration

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