# SiloBuilderExtensions Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming.nats/orleans.streaming.nats.hosting.silobuilderextensions/)

## AddNatsStreams(ISiloBuilder, string, Action<NatsOptions>) {#addnatsstreams-this-orleans-hosting-isilobuilder-string-system-action-orleans-st-baf8f830}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming.nats/orleans.streaming.nats.hosting.silobuilderextensions/methods/addnatsstreams-this-orleans-hosting-isilobuilder-string-system-action-orleans-st-baf8f830/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming.NATS/Hosting/SiloBuilderExtensions.cs#L14-L16)

```csharp
public static ISiloBuilder AddNatsStreams(this ISiloBuilder builder, string name, Action<NatsOptions> configureOptions)
```

Configure silo to use NATS persistent streams.

### Parameters

- `builder` (`ISiloBuilder`)
- `name` (`string`)
- `configureOptions` (`Action<NatsOptions>`)

## AddNatsStreams(ISiloBuilder, string, Action&lt;SiloNatsStreamConfigurator&gt;) {#addnatsstreams-this-orleans-hosting-isilobuilder-string-system-action-orleans-st-0797c3a1}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming.nats/orleans.streaming.nats.hosting.silobuilderextensions/methods/addnatsstreams-this-orleans-hosting-isilobuilder-string-system-action-orleans-st-0797c3a1/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming.NATS/Hosting/SiloBuilderExtensions.cs#L25-L28)

```csharp
public static ISiloBuilder AddNatsStreams(this ISiloBuilder builder, string name, Action<SiloNatsStreamConfigurator>? configure)
```

Configure silo to use NATS persistent streams.

### Parameters

- `builder` (`ISiloBuilder`)
- `name` (`string`)
- `configure` (`Action<SiloNatsStreamConfigurator>`)