---
title: kSecOIDX509V1CertificateIssuerUniqueId
framework: security
role: symbol
role_heading: Global Variable
path: security/ksecoidx509v1certificateissueruniqueid
---

# kSecOIDX509V1CertificateIssuerUniqueId

## Declaration

```swift
let kSecOIDX509V1CertificateIssuerUniqueId: CFString
```