# RavenDBClientExtension

- Kind: `class`
- Package: [CommunityToolkit.Aspire.RavenDB.Client](/reference/api/csharp/communitytoolkit.aspire.ravendb.client.md)
- Version: `13.4.0`
- Namespace: `Microsoft.Extensions.Hosting`
- Target framework: `net10.0`
- Source: [GitHub](https://github.com/CommunityToolkit/Aspire/blob/d9dc6fc02412d7398c5722840513d99965a6e98f/src/CommunityToolkit.Aspire.RavenDB.Client/RavenDBClientExtension.cs)

Extension methods for connecting RavenDB database.

## Definition

```csharp
namespace Microsoft.Extensions.Hosting;

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

## Methods

- [AddKeyedRavenDBClient(IHostApplicationBuilder, object, string, Action<RavenDBClientSettings>)](/reference/api/csharp/communitytoolkit.aspire.ravendb.client/ravendbclientextension/methods.md#addkeyedravendbclient-ihostapplicationbuilder-object-string-action-ravendbclientsettings) `extension` -- Registers `Documents.IDocumentStore` and the associated `Session.IDocumentSession` and `Session.IAsyncDocumentSession` instances for connecting to an existing or new RavenDB database with RavenDB.Client, identified by a unique service key.
- [AddKeyedRavenDBClient(IHostApplicationBuilder, object, RavenDBClientSettings)](/reference/api/csharp/communitytoolkit.aspire.ravendb.client/ravendbclientextension/methods.md#addkeyedravendbclient-ihostapplicationbuilder-object-ravendbclientsettings) `extension` -- Registers `Documents.IDocumentStore` and the associated `Session.IDocumentSession` and `Session.IAsyncDocumentSession` instances for connecting to an existing or new RavenDB database with RavenDB.Client, identified by a unique service key.
- [AddRavenDBClient(IHostApplicationBuilder, string, Action<RavenDBClientSettings>)](/reference/api/csharp/communitytoolkit.aspire.ravendb.client/ravendbclientextension/methods.md#addravendbclient-ihostapplicationbuilder-string-action-ravendbclientsettings) `extension` -- Registers `Documents.IDocumentStore` and the associated `Session.IDocumentSession` and `Session.IAsyncDocumentSession` instances for connecting to an existing or new RavenDB database with RavenDB.Client.
- [AddRavenDBClient(IHostApplicationBuilder, RavenDBClientSettings)](/reference/api/csharp/communitytoolkit.aspire.ravendb.client/ravendbclientextension/methods.md#addravendbclient-ihostapplicationbuilder-ravendbclientsettings) `extension` -- Registers `Documents.IDocumentStore` and the associated `Session.IDocumentSession` and `Session.IAsyncDocumentSession` instances for connecting to an existing or new RavenDB database with RavenDB.Client.