# TestClusterBuilder.CreateSiloAsyncWithCancellation

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.testclusterbuilder/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.testclusterbuilder/properties/)

[Source](https://github.com/dotnet/orleans/blob/1644940b035c7bdf215a4fd7135757c06bcfe9ec/src/Orleans.TestingHost/TestClusterBuilder.cs)

```csharp
public Func<string, IConfiguration, CancellationToken, Task<SiloHandle>> CreateSiloAsyncWithCancellation
```

Gets or sets the cancellation-aware delegate used to create and start an individual silo.