---
title: AccessoryTransportSession.Error
framework: accessorytransportextension
role: symbol
role_heading: Enumeration
path: accessorytransportextension/accessorytransportsession/error
---

# AccessoryTransportSession.Error

Errors that can occur with an accessory transport session.

## Declaration

```swift
enum Error
```

## Topics

### Identifying session errors

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

### Describing an error

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

## Relationships

### Conforms To

- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Error](swift/error.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)