# ClientBuilderExtensions Methods

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

## AddNatsStreams(IClientBuilder, string, Action<ClusterClientNatsStreamConfigurator>) {#addnatsstreams-this-orleans-hosting-iclientbuilder-string-system-action-orleans-6f355b25}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming.nats/orleans.streaming.nats.hosting.clientbuilderextensions/methods/addnatsstreams-this-orleans-hosting-iclientbuilder-string-system-action-orleans-6f355b25/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming.NATS/Hosting/ClientBuilderExtensions.cs#L26-L28)

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

Configure cluster client to use NATS persistent streams.

### Parameters

- `builder` (`IClientBuilder`)
- `name` (`string`)
- `configure` (`Action<ClusterClientNatsStreamConfigurator>`)

## AddNatsStreams(IClientBuilder, string, Action&lt;NatsOptions&gt;) {#addnatsstreams-this-orleans-hosting-iclientbuilder-string-system-action-orleans-e0d64332}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming.nats/orleans.streaming.nats.hosting.clientbuilderextensions/methods/addnatsstreams-this-orleans-hosting-iclientbuilder-string-system-action-orleans-e0d64332/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming.NATS/Hosting/ClientBuilderExtensions.cs#L15-L17)

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

Configure cluster client to use NATS persistent streams with default settings

### Parameters

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