---
title: "IOConnectCallScalarMethod(_:_:_:_:_:_:)"
framework: iokit
role: symbol
role_heading: Function
path: iokit/1514793-ioconnectcallscalarmethod
---

# IOConnectCallScalarMethod(_:_:_:_:_:_:)

## Declaration

```swift
func IOConnectCallScalarMethod(_ connection: mach_port_t, _ selector: UInt32, _ input: UnsafePointer<UInt64>!, _ inputCnt: UInt32, _ output: UnsafeMutablePointer<UInt64>!, _ outputCnt: UnsafeMutablePointer<UInt32>!) -> kern_return_t
```