# FaultInjectionStorageServiceCollectionExtensions Methods

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

## AddFaultInjectionMemoryStorage(IServiceCollection, string, Action<MemoryGrainStorageOptions>, Action<FaultInjectionGrainStorageOptions>) {#addfaultinjectionmemorystorage-this-microsoft-extensions-dependencyinjection-ise-82070855}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.hosting.faultinjectionstorageservicecollectionextensions/methods/addfaultinjectionmemorystorage-this-microsoft-extensions-dependencyinjection-ise-82070855/)

[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.

## AddFaultInjectionMemoryStorage(IServiceCollection, string, Action&lt;OptionsBuilder&lt;MemoryGrainStorageOptions&gt;&gt;, Action&lt;OptionsBuilder&lt;FaultInjectionGrainStorageOptions&gt;&gt;) {#addfaultinjectionmemorystorage-this-microsoft-extensions-dependencyinjection-ise-a18c4337}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.hosting.faultinjectionstorageservicecollectionextensions/methods/addfaultinjectionmemorystorage-this-microsoft-extensions-dependencyinjection-ise-a18c4337/)

[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<OptionsBuilder<MemoryGrainStorageOptions>> configureOptions = null, Action<OptionsBuilder<FaultInjectionGrainStorageOptions>> configureFaultInjectionOptions = null)
```

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<OptionsBuilder<MemoryGrainStorageOptions>>`): The memory storage configuration delegate.
- `configureFaultInjectionOptions` (`Action<OptionsBuilder<FaultInjectionGrainStorageOptions>>`): The fault injection provider configuration delegate.

### Returns

The service collection.