---
title: data
framework: accessorytransportextension
role: symbol
role_heading: Instance Property
path: accessorytransportextension/transportmessage/data
---

# data

A data object that contains the message content.

## Declaration

```swift
let data: Data
```

## Discussion

Discussion For messages from the system containing sensitive data, this data is encrypted and ready for transmission to your accessory. For messages from your accessory containing sensitive data, encrypt this data before creating the transport message.

## See Also

### Accessing message content

- [sessionID](accessorytransportextension/transportmessage/sessionid.md)