---
title: start()
framework: IOBluetooth
role: symbol
role_heading: Instance Method
path: iobluetooth/iobluetoothdevicepair/start()
---

# start()

Kicks off the pairing with the device.

## Declaration

```swift
func start() -> IOReturn
```

## Return Value

Return Value Returns an IOReturn or Bluetooth error code, if the pairing could not be started.