# CassandraMembershipHostingExtensions.UseCassandraClustering(ISiloBuilder, Func<IServiceProvider, Task<ISession>>)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.clustering.cassandra/orleans.clustering.cassandra.hosting.cassandramembershiphostingextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.clustering.cassandra/orleans.clustering.cassandra.hosting.cassandramembershiphostingextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Cassandra/Orleans.Clustering.Cassandra/Hosting/CassandraMembershipHostingExtensions.cs)

```csharp
public static ISiloBuilder UseCassandraClustering(this ISiloBuilder builder, Func<IServiceProvider, Task<ISession>> sessionProvider)
```

Configures Orleans clustering using Cassandra.

### Parameters

- `builder` (`ISiloBuilder`): The silo builder.
- `sessionProvider` (`Func<IServiceProvider, Task<ISession>>`): A delegate used to create an `Cassandra.ISession`.

### Returns

The silo builder.