# StreamSubscriptionHandle<T>.HandleId

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.streamsubscriptionhandle-1/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.streamsubscriptionhandle-1/properties/)

```csharp
public abstract Guid HandleId
```

Gets the unique identifier for this StreamSubscriptionHandle