# StreamSubscriptionManagerExtensions

Package: [Microsoft.Orleans.Streaming](/orleans/docs/api/csharp/microsoft.orleans.streaming/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Streaming) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/PubSub/StreamSubscriptionManagerExtensions.cs#L12)

```csharp
public static class StreamSubscriptionManagerExtensions
```

Extension methods for [IStreamSubscriptionManager](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.core.istreamsubscriptionmanager/).

## Methods

- [AddSubscription(IStreamSubscriptionManager, IGrainFactory, StreamId, string, GrainId)](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.pubsub.streamsubscriptionmanagerextensions/methods/addsubscription-1-this-orleans-streams-core-istreamsubscriptionmanager-orleans-i-6bde4d15/)
- [AddSubscription(IStreamSubscriptionManager, IGrainFactory, StreamId, string, Guid, string)](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.pubsub.streamsubscriptionmanagerextensions/methods/addsubscription-1-this-orleans-streams-core-istreamsubscriptionmanager-orleans-i-5af797ce/)
- [AddSubscription(IStreamSubscriptionManager, IGrainFactory, StreamId, string, Guid, string, string)](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.pubsub.streamsubscriptionmanagerextensions/methods/addsubscription-1-this-orleans-streams-core-istreamsubscriptionmanager-orleans-i-d8149353/)
- [AddSubscription(IStreamSubscriptionManager, IGrainFactory, StreamId, string, long, string)](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.pubsub.streamsubscriptionmanagerextensions/methods/addsubscription-1-this-orleans-streams-core-istreamsubscriptionmanager-orleans-i-21064c1d/)
- [AddSubscription(IStreamSubscriptionManager, IGrainFactory, StreamId, string, long, string, string)](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.pubsub.streamsubscriptionmanagerextensions/methods/addsubscription-1-this-orleans-streams-core-istreamsubscriptionmanager-orleans-i-23324172/)
- [AddSubscription(IStreamSubscriptionManager, IGrainFactory, StreamId, string, string, string)](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.pubsub.streamsubscriptionmanagerextensions/methods/addsubscription-1-this-orleans-streams-core-istreamsubscriptionmanager-orleans-i-3e117816/)
- [TryGetStreamSubscriptionManager(IStreamProvider, IStreamSubscriptionManager)](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.pubsub.streamsubscriptionmanagerextensions/methods/trygetstreamsubscriptionmanager-this-orleans-streams-istreamprovider-out-orleans-a76aec6d/)