# IHostConfigurator Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.ihostconfigurator/)

## Configure(IHostBuilder) {#configure-microsoft-extensions-hosting-ihostbuilder-c894dbf2}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.ihostconfigurator/methods/configure-microsoft-extensions-hosting-ihostbuilder-c894dbf2/)

```csharp
public abstract void Configure(IHostBuilder hostBuilder)
```

Configures the host builder.

### Parameters

- `hostBuilder` (`IHostBuilder`): The host builder.