# StreamIdentity.Guid

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Core/StreamIdentity.cs#L33)

```csharp
[Orleans.Id(0)]
public Guid Guid
```

Gets the stream identifier.