# StreamSubscriptionHandle<T>.UnsubscribeAsync

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

```csharp
public abstract Task UnsubscribeAsync()
```

Unsubscribe a stream consumer from this observable.

### Returns

A `System.Threading.Tasks.Task` representing the operation.