# EventDataExtensions.SetStreamNamespaceProperty(EventData, string)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming.eventhubs/orleans.streaming.eventhubs.eventdataextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming.eventhubs/orleans.streaming.eventhubs.eventdataextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Azure/Orleans.Streaming.EventHubs/Providers/Streams/EventHub/EventDataExtensions.cs#L23-L24)

```csharp
public static void SetStreamNamespaceProperty(this EventData eventData, string streamNamespace)
```

Adds stream namespace to the EventData

### Parameters

- `eventData` (`EventData`)
- `streamNamespace` (`string`)