# CustomStorageSiloBuilderExtensions.AddCustomStorageBasedLogConsistencyProvider(ISiloBuilder, string, string)

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.EventSourcing/Hosting/CustomStorageSiloBuilderExtensions.cs#L28)

```csharp
public static ISiloBuilder AddCustomStorageBasedLogConsistencyProvider(this ISiloBuilder builder, string name = "LogStorage", string primaryCluster = null)
```

Adds a custom storage log consistency provider"/>

### Parameters

- `builder` (`ISiloBuilder`)
- `name` (`string`)
- `primaryCluster` (`string`)