---
title: "URLSessionWebSocketTask.Message.data(_:)"
framework: foundation
role: symbol
role_heading: Case
path: "foundation/urlsessionwebsockettask/message/data(_:)"
---

# URLSessionWebSocketTask.Message.data(_:)

A WebSocket message that contains a block of data.

## Declaration

```swift
case data(Data)
```

## See Also

### Message types

- [URLSessionWebSocketTask.Message.string(_:)](foundation/urlsessionwebsockettask/message/string(_:).md)