---
title: "init(mach:content:)"
framework: IOKit
role: symbol
role_heading: Initializer
platforms: [Mac Catalyst 15.0+, macOS 12.0+, xcode 13.0+]
path: iokit/iorpcmessageerrorreturn/3757888-init
---

# init(mach:content:)

## Declaration

```swift
init(mach: IORPCMessageMach, content: IORPCMessageErrorReturnContent)
```