# SiloBuilderReminderMemoryExtensions.UseInMemoryReminderService(ISiloBuilder)

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Reminders/Hosting/SiloBuilderReminderMemoryExtensions.cs#L23-L27)

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

Configures reminder storage using an in-memory, non-persistent store.

### Parameters

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

### Returns

The provided [ISiloBuilder](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.hosting.isilobuilder/), for chaining.