---
id: "P:cAlgo.API.WebSocketClientBinaryReceivedEventArgs.Data"
kind: "property"
type: "T:cAlgo.API.WebSocketClientBinaryReceivedEventArgs"
url: "https://help.ctrader.com/ctrader-algo/references/WebSocket/WebSocketClientBinaryReceivedEventArgs/Data/"
---

> Documentation index for agents: https://help.ctrader.com/ctrader-algo/llms.txt · machine index: https://help.ctrader.com/ctrader-algo/api.json

# WebSocketClientBinaryReceivedEventArgs.Data

Member of [WebSocketClientBinaryReceivedEventArgs](https://help.ctrader.com/ctrader-algo/references/WebSocket/WebSocketClientBinaryReceivedEventArgs/index.md).

## Data

Received data.

Environments: Desktop supported · CLI supported · Cloud not supported.

- Cloud: Never raised in the cloud: the events that pass it never fire there (WebSocketClient.BinaryReceived).

C#:

```csharp
public byte[] Data {get;}
```

Python:

```python
webSocketClientBinaryReceivedEventArgs.Data: list[int]
```

### Returns

`byte[]` — 

### Examples

C#:

```csharp
private WebSocketClient _client = new WebSocketClient();

protected override void OnStart()
{
    _client.BinaryReceived += OnBinaryReceived;
    _client.Connect(new Uri("wss://example.com/stream"));
}

private void OnBinaryReceived(WebSocketClientBinaryReceivedEventArgs args)
{
    var message = Encoding.UTF8.GetString(args.Data);
    Print("Decoded message: {0}", message);
}
```

Python:

```python
from System import Uri

def on_start(self):
    self.client = WebSocketClient()
    self.client.BinaryReceived += self.on_binary_received
    self.client.Connect(Uri("wss://example.com/stream"))

def on_binary_received(self, args):
    message = bytes(args.Data).decode("utf-8")
    api.Print(f"Decoded message: {message}")
```