# ClientBuilderStreamingExtensions.AddMemoryStreams(IClientBuilder, string, Action<IClusterClientMemoryStreamConfigurator>)

[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/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Hosting/ClientBuilderStreamingExtensions.cs)

```csharp
public static IClientBuilder AddMemoryStreams(this IClientBuilder builder, string name, Action<IClusterClientMemoryStreamConfigurator> configure = null)
```

Adds a new in-memory stream provider to the client, using the default message serializer ([DefaultMemoryMessageBodySerializer](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.defaultmemorymessagebodyserializer/)).

### Parameters

- `builder` (`IClientBuilder`): The builder.
- `name` (`string`): The stream provider name.
- `configure` (`Action<IClusterClientMemoryStreamConfigurator>`): The configuration delegate.

### Returns

The client builder.