---
title: "rfcommChannelData(_:data:length:)"
framework: IOBluetooth
role: symbol
role_heading: Instance Method
path: "iobluetooth/iobluetoothrfcommchanneldelegate/rfcommchanneldata(_:data:length:)"
---

# rfcommChannelData(_:data:length:)

## Declaration

```swift
optional func rfcommChannelData(_ rfcommChannel: IOBluetoothRFCOMMChannel!, data dataPointer: UnsafeMutableRawPointer!, length dataLength: Int)
```