---
title: "IOConnectTrap1(_:_:_:)"
framework: IOKit
role: symbol
role_heading: Function
platforms: [macOS 10.0+]
path: iokit/1514816-ioconnecttrap1
---

# IOConnectTrap1(_:_:_:)

## Declaration

```swift
func IOConnectTrap1(_ connect: io_connect_t, _ index: UInt32, _ p1: UInt) -> kern_return_t
```