---
title: AccessoryTransportSession.DataEvent
framework: accessorytransportextension
role: symbol
role_heading: Enumeration
path: accessorytransportextension/accessorytransportsession/dataevent
---

# AccessoryTransportSession.DataEvent

An enumeration of data events that the transport extension receives.

## Declaration

```swift
enum DataEvent
```

## Overview

Overview The AccessoryTransportSession.EventHandler protocol’s dataEventHandler(event:) method receives events of this type.

## See Also

### Handling session events

- [AccessoryTransportSession.EventHandler](accessorytransportextension/accessorytransportsession/eventhandler.md)