# DynamoDBSiloBuilderReminderExtensions Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.reminders.dynamodb/orleans.hosting.dynamodbsilobuilderreminderextensions/)

## UseDynamoDBReminderService(ISiloBuilder, Action<DynamoDBReminderStorageOptions>) {#usedynamodbreminderservice-this-orleans-hosting-isilobuilder-system-action-orlea-920ea30f}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.reminders.dynamodb/orleans.hosting.dynamodbsilobuilderreminderextensions/methods/usedynamodbreminderservice-this-orleans-hosting-isilobuilder-system-action-orlea-920ea30f/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/AWS/Orleans.Reminders.DynamoDB/DynamoDBSiloBuilderReminderExtensions.cs#L25-L26)

```csharp
public static ISiloBuilder UseDynamoDBReminderService(this ISiloBuilder builder, Action<DynamoDBReminderStorageOptions> configure)
```

Adds reminder storage backed by Amazon DynamoDB.

### Parameters

- `builder` (`ISiloBuilder`): The builder.
- `configure` (`Action<DynamoDBReminderStorageOptions>`): The delegate used to configure the reminder store.

### Returns

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