# JournalingHostingExtensions.AddVolatileJournalStorage(ISiloBuilder)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.journalinghostingextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.journalinghostingextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/8bc9fd244427351ad24ccc039a9e7642a42c1cc4/src/Orleans.Journaling/JournalingHostingExtensions.cs#L225)

```csharp
public static ISiloBuilder AddVolatileJournalStorage(this ISiloBuilder builder)
```

Registers volatile in-memory journal storage as the default provider.

### Parameters

- `builder` (`ISiloBuilder`): The silo builder.

### Returns

The silo builder.