---
title: errSecSMIMESubjAltNameNotCritical
framework: security
role: symbol
role_heading: Global Variable
path: security/errsecsmimesubjaltnamenotcritical
---

# errSecSMIMESubjAltNameNotCritical

The subject alternative name extension is not marked as critical.

## Declaration

```swift
var errSecSMIMESubjAltNameNotCritical: OSStatus { get }
```