# FirestoreReminderServiceExtensions.UseFirestoreReminderService(IServiceCollection, Action&lt;FirestoreOptions&gt;)

[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#L26)

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

Adds reminder storage backed by Google Firestore.

### Parameters

- `services` (`IServiceCollection`): The service collection.
- `configure` (`Action<FirestoreOptions>`): The delegate used to configure the reminder store.

### Returns

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