# AspireDuckDBExtensions

- Kind: `class`
- Package: [CommunityToolkit.Aspire.DuckDB.NET.Data](/reference/api/csharp/communitytoolkit.aspire.duckdb.net.data.md)
- Version: `13.4.1-beta.706`
- Namespace: `Microsoft.Extensions.Hosting`
- Target framework: `net10.0`
- Source: [GitHub](https://github.com/CommunityToolkit/Aspire/blob/d479e13473b1d29d06b974f144a0049289a3cb5c/src/CommunityToolkit.Aspire.DuckDB.NET.Data/AspireDuckDBExtensions.cs)

Provides extension methods for registering DuckDB-related services in an `Hosting.IHostApplicationBuilder`.

## Definition

```csharp
namespace Microsoft.Extensions.Hosting;

public static class AspireDuckDBExtensions
{
    // ...
}
```

## Methods

- [AddDuckDBConnection(IHostApplicationBuilder, string, Action<DuckDBConnectionSettings>)](/reference/api/csharp/communitytoolkit.aspire.duckdb.net.data/aspireduckdbextensions/methods.md#addduckdbconnection-ihostapplicationbuilder-string-action-duckdbconnectionsettings) `extension` -- Registers `Data.DuckDBConnection` as scoped in the services provided by the `builder`.
- [AddKeyedDuckDBConnection(IHostApplicationBuilder, string, Action<DuckDBConnectionSettings>)](/reference/api/csharp/communitytoolkit.aspire.duckdb.net.data/aspireduckdbextensions/methods.md#addkeyedduckdbconnection-ihostapplicationbuilder-string-action-duckdbconnectionsettings) `extension` -- Registers `Data.DuckDBConnection` as keyed scoped for the given `name` in the services provided by the `builder`.