# FirestoreReminderServiceExtensions.UseFirestoreReminderService(IServiceCollection, Action<OptionsBuilder<FirestoreOptions>>)

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

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Google/Orleans.Reminders.Firestore/FirestoreReminderServiceExtensions.cs#L44-L51)

```csharp
public static IServiceCollection UseFirestoreReminderService(this IServiceCollection services, Action<OptionsBuilder<FirestoreOptions>> configureOptions)
```

Adds reminder storage backed by Google Firestore.

### Parameters

- `services` (`IServiceCollection`): The service collection.
- `configureOptions` (`Action<OptionsBuilder<FirestoreOptions>>`): The configuration delegate.

### Returns

The provided `Microsoft.Extensions.DependencyInjection.IServiceCollection`, for chaining.