# StreamSubscriptionHandlerFactory.StreamId

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.streamsubscriptionhandlerfactory/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.streamsubscriptionhandlerfactory/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Internal/StreamSubsriptionHandlerFactory.cs#L15)

```csharp
public StreamId StreamId
```

Gets the stream identifier.

### Value

The stream identifier.