# SiloBuilderStreamingExtensions.AddPersistentStreams(ISiloBuilder, string, Func<IServiceProvider, string, IQueueAdapterFactory>, Action<ISiloPersistentStreamConfigurator>)

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Hosting/SiloBuilderStreamingExtensions.cs#L34-L36)

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

Configures the silo to use persistent streams.

### Parameters

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

### Returns

The silo builder.