# InProcessTestClusterBuilder.ConfigureSilo(Action<InProcessTestSiloSpecificOptions, ISiloBuilder>)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.inprocesstestclusterbuilder/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.inprocesstestclusterbuilder/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.TestingHost/InProcTestClusterBuilder.cs#L69-L70)

```csharp
public InProcessTestClusterBuilder ConfigureSilo(Action<InProcessTestSiloSpecificOptions, ISiloBuilder> configureSiloDelegate)
```

Adds a delegate to configure silos.

### Parameters

- `configureSiloDelegate` (`Action<InProcessTestSiloSpecificOptions, ISiloBuilder>`)

### Returns

The builder.