---
title: kSecOIDX509V3CertificateExtensionsStruct
framework: security
role: symbol
role_heading: Global Variable
path: security/ksecoidx509v3certificateextensionsstruct
---

# kSecOIDX509V3CertificateExtensionsStruct

## Declaration

```swift
let kSecOIDX509V3CertificateExtensionsStruct: CFString
```