# ClientBuilderStreamingExtensions.AddPersistentStreams(IClientBuilder, string, Func<IServiceProvider, string, IQueueAdapterFactory>, Action<IClusterClientPersistentStreamConfigurator>)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.hosting.clientbuilderstreamingextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.hosting.clientbuilderstreamingextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Orleans.Streaming/Hosting/ClientBuilderStreamingExtensions.cs#L67-L69)

```csharp
public static IClientBuilder AddPersistentStreams(this IClientBuilder builder, string name, Func<IServiceProvider, string, IQueueAdapterFactory> adapterFactory, Action<IClusterClientPersistentStreamConfigurator>? configureStream)
```

Adds a new persistent streams provider to the client.

### Parameters

- `builder` (`IClientBuilder`): The builder.
- `name` (`string`): The stream provider name.
- `adapterFactory` (`Func<IServiceProvider, string, IQueueAdapterFactory>`): The adapter factory.
- `configureStream` (`Action<IClusterClientPersistentStreamConfigurator>`): The configuration delegate.

### Returns

The client builder.