# AzureBlobGrainStorageServiceCollectionExtensions.AddAzureBlobGrainStorageAsDefault(IServiceCollection, Action<AzureBlobStorageOptions>)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.persistence.azurestorage/orleans.hosting.azureblobgrainstorageservicecollectionextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.persistence.azurestorage/orleans.hosting.azureblobgrainstorageservicecollectionextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Azure/Orleans.Persistence.AzureStorage/Hosting/AzureBlobGrainStorageServiceCollectionExtensions.cs)

```csharp
public static IServiceCollection AddAzureBlobGrainStorageAsDefault(this IServiceCollection services, Action<AzureBlobStorageOptions> configureOptions)
```

Configure silo to use azure blob storage as the default grain storage.

### Parameters

- `services` (`IServiceCollection`)
- `configureOptions` (`Action<AzureBlobStorageOptions>`)