---
title: "rfcommChannelControlSignalsChanged(_:)"
framework: IOBluetooth
role: symbol
role_heading: Instance Method
path: "iobluetooth/iobluetoothrfcommchanneldelegate/rfcommchannelcontrolsignalschanged(_:)"
---

# rfcommChannelControlSignalsChanged(_:)

## Declaration

```swift
optional func rfcommChannelControlSignalsChanged(_ rfcommChannel: IOBluetoothRFCOMMChannel!)
```