---
title: "l2capChannelData(_:data:length:)"
framework: IOBluetooth
role: symbol
role_heading: Instance Method
path: "iobluetooth/iobluetoothl2capchanneldelegate/l2capchanneldata(_:data:length:)"
---

# l2capChannelData(_:data:length:)

## Declaration

```swift
optional func l2capChannelData(_ l2capChannel: IOBluetoothL2CAPChannel!, data dataPointer: UnsafeMutableRawPointer!, length dataLength: Int)
```