# QueueId Properties

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.queueid/)

## IsDefault {#isdefault-3b886aa1}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.queueid/properties/isdefault-3b886aa1/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/QueueId.cs#L61)

```csharp
public bool IsDefault
```

Gets a value indicating whether the instance is the default instance.