---
title: kSecOIDX509V3CertificateNumberOfExtensions
framework: security
role: symbol
role_heading: Global Variable
path: security/ksecoidx509v3certificatenumberofextensions
---

# kSecOIDX509V3CertificateNumberOfExtensions

## Declaration

```swift
let kSecOIDX509V3CertificateNumberOfExtensions: CFString
```