---
title: AccessoryTransportSession
framework: accessorytransportextension
role: symbol
role_heading: Class
path: accessorytransportextension/accessorytransportsession
---

# AccessoryTransportSession

A class that manages a transport session between the extension and the system.

## Declaration

```swift
class AccessoryTransportSession
```

## Overview

Overview The AccessoryTransportAppExtension protocol’s accept(sessionRequest:) method receives a AccessoryTransportSession.Request object containing an instance of this class.

## Topics

### Managing session requests

- [AccessoryTransportSession.Request](accessorytransportextension/accessorytransportsession/request.md)

### Handling session events

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

### Managing the session life cycle

- [cancel(error:)](accessorytransportextension/accessorytransportsession/cancel(error:).md)

### Accessing session properties

- [description](accessorytransportextension/accessorytransportsession/description.md)

### Sending data

- [sendMessageToDataProvider(_:)](accessorytransportextension/accessorytransportsession/sendmessagetodataprovider(_:).md)

### Handling errors

- [AccessoryTransportSession.Error](accessorytransportextension/accessorytransportsession/error.md)

### Determining the communication method

- [transport](accessorytransportextension/accessorytransportsession/transport.md)
- [transportStateRestoreIdentifier](accessorytransportextension/accessorytransportsession/transportstaterestoreidentifier.md)
- [pushToken](accessorytransportextension/accessorytransportsession/pushtoken.md)

## Relationships

### Conforms To

- [CustomStringConvertible](swift/customstringconvertible.md)

## See Also

### Wi-Fi network sharing

- [AccessoryTransportAppExtension](accessorytransportextension/accessorytransportappextension.md)
- [AccessoryTransportExtensionConfiguration](accessorytransportextension/accessorytransportextensionconfiguration.md)
- [Wi-Fi Infrastructure](wifiinfrastructure.md)