---
title: errSecSMIMEBadExtendedKeyUsage
framework: security
role: symbol
role_heading: Global Variable
path: security/errsecsmimebadextendedkeyusage
---

# errSecSMIMEBadExtendedKeyUsage

The appropriate extended key usage for SMIME is not found.

## Declaration

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