# FaultInjectionStorageServiceCollectionExtensions.AddFaultInjectionMemoryStorage(IServiceCollection, string, Action<MemoryGrainStorageOptions>, Action<FaultInjectionGrainStorageOptions>)

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.TestingHost/TestStorageProviders/FaultInjectionStorageServiceCollectionExtensions.cs)

```csharp
public static IServiceCollection AddFaultInjectionMemoryStorage(this IServiceCollection services, string name, Action<MemoryGrainStorageOptions> configureOptions, Action<FaultInjectionGrainStorageOptions> configureFaultInjectionOptions)
```

Configures a silo to use [FaultInjectionGrainStorage](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.faultinjectiongrainstorage/).

### Parameters

- `services` (`IServiceCollection`): The services.
- `name` (`string`): The storage provider name.
- `configureOptions` (`Action<MemoryGrainStorageOptions>`): The memory storage configuration delegate.
- `configureFaultInjectionOptions` (`Action<FaultInjectionGrainStorageOptions>`): The fault injection provider configuration delegate.

### Returns

The service collection.