---
title: "init(address:length:)"
framework: IOKit
role: symbol
role_heading: Initializer
platforms: [Mac Catalyst 13.0+, macOS 10.9+, xcode 9.0+]
path: iokit/iophysicalrange/1514773-init
---

# init(address:length:)

## Declaration

```swift
init(address: IOPhysicalAddress, length: IOByteCount)
```