---
title: errSecExtendedKeyUsageNotCritical
framework: security
role: symbol
role_heading: Global Variable
path: security/errsecextendedkeyusagenotcritical
---

# errSecExtendedKeyUsageNotCritical

The extended key usage extension was not marked critical.

## Declaration

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