---
title: "init(systemID:publicID:)"
framework: Core Foundation
role: symbol
role_heading: Initializer
path: "corefoundation/cfxmlexternalid/init(systemid:publicid:)"
---

# init(systemID:publicID:)

## Declaration

```swift
init(systemID: Unmanaged<CFURL>!, publicID: Unmanaged<CFString>!)
```