---
title: "init(hdr:result:pad:)"
framework: IOKit
role: symbol
role_heading: Initializer
platforms: [Mac Catalyst 15.0+, macOS 12.0+, xcode 13.0+]
path: iokit/iorpcmessageerrorreturncontent/3757890-init
---

# init(hdr:result:pad:)

## Declaration

```swift
init(hdr: IORPCMessage, result: kern_return_t, pad: UInt32)
```