---
title: CSSMERR_APPLETP_UNKNOWN_CERT_EXTEN
framework: security
role: symbol
role_heading: Global Variable
path: security/cssmerr_appletp_unknown_cert_exten
---

# CSSMERR_APPLETP_UNKNOWN_CERT_EXTEN

## Declaration

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