---
title: "send(data:)"
framework: Accessory Transport Extension
role: symbol
role_heading: Instance Method
platforms: [iOS 27.3+]
path: "accessorytransportextension/accessoryworker/session/send(data:)"
---

# send(data:)

Sends data to the transport extension within a session.

## Declaration

```swift
final func send(data: Data) async throws
```

## Parameters

- `data`: The data to send.

## Discussion

Discussion The Accessory Transport Extension framework doesn’t add additional encryption to the data, so take steps to protect sensitive data before you send it.

## See Also

### Sending data

- [send(message:)](accessorytransportextension/accessoryworker/session/send(message:).md)