# MongoDBReplicaSetBuilderExtensions

- Kind: `class`
- Package: [Aspire.Hosting.MongoDB](/reference/api/csharp/aspire.hosting.mongodb.md)
- Version: `13.6.0`
- Namespace: `Aspire.Hosting`
- Target framework: `net10.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/f4c27f2d43ddc1cacd0dd083b30d1fea1cee7a62/src/Aspire.Hosting.MongoDB/ReplicaSet/MongoDBReplicaSetBuilderExtensions.cs)

Provides extension methods for adding MongoDB resources to an `Hosting.IDistributedApplicationBuilder`.

## Definition

```csharp
namespace Aspire.Hosting;

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

## Methods

- [AddMongoDBReplicaSet(IDistributedApplicationBuilder, string, IResourceBuilder<ParameterResource>, IResourceBuilder<ParameterResource>)](/reference/api/csharp/aspire.hosting.mongodb/mongodbreplicasetbuilderextensions/methods.md#addmongodbreplicaset-idistributedapplicationbuilder-string-iresourcebuilder-parameterresource-iresourcebuilder-parameterresource) : `IResourceBuilder<MongoDBReplicaSetResource>` `extension` `ats export` -- Adds a MongoDB replica set resource to the application model.
- [WithMember(IResourceBuilder<MongoDBReplicaSetResource>, IResourceBuilder<MongoDBServerResource>)](/reference/api/csharp/aspire.hosting.mongodb/mongodbreplicasetbuilderextensions/methods.md#withmember-iresourcebuilder-mongodbreplicasetresource-iresourcebuilder-mongodbserverresource) : `IResourceBuilder<MongoDBReplicaSetResource>` `extension` `ats export` -- Adds a MongoDB server resource as a member of the replica set.