# DynamoDBTransactionSiloBuilderExtensions.AddDynamoDBTransactionalStateStorageAsDefault(ISiloBuilder, Action<OptionsBuilder<DynamoDBTransactionalStorageOptions>>)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions.dynamodb/orleans.hosting.dynamodbtransactionsilobuilderextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.transactions.dynamodb/orleans.hosting.dynamodbtransactionsilobuilderextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/AWS/Orleans.Transactions.DynamoDB/Hosting/DynamoDBTransactionSiloBuilderExtensions.cs)

```csharp
public static ISiloBuilder AddDynamoDBTransactionalStateStorageAsDefault(this ISiloBuilder builder, Action<OptionsBuilder<DynamoDBTransactionalStorageOptions>>? configureOptions = null)
```

Configure silo to use DynamoDB storage as the default transactional grain storage.

### Parameters

- `builder` (`ISiloBuilder`): The silo builder.
- `configureOptions` (`Action<OptionsBuilder<DynamoDBTransactionalStorageOptions>>`): The action used to configure the provider.

### Returns

The silo builder.