# NatsBuilderExtensions

- Kind: `class`
- Package: [Aspire.Hosting.Nats](/reference/api/csharp/aspire.hosting.nats.md)
- Version: `13.4.0`
- Namespace: `Aspire.Hosting`
- Target framework: `net8.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/cbc352350f1a9bafbaff10d14a2c8de4ac186a48/src/Aspire.Hosting.Nats/NatsBuilderExtensions.cs)

Provides extension methods for adding NATS resources to the application model.

## Definition

```csharp
namespace Aspire.Hosting;

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

## Methods

- [AddNats(IDistributedApplicationBuilder, string, int?)](/reference/api/csharp/aspire.hosting.nats/natsbuilderextensions/methods.md#addnats-idistributedapplicationbuilder-string-int) : `IResourceBuilder<NatsServerResource>` `extension` `ats ignored` -- Adds a NATS server resource to the application model. A container is used for local development. This configures a default user name and password for the NATS server.
- [AddNats(IDistributedApplicationBuilder, string, int?, IResourceBuilder<ParameterResource>, IResourceBuilder<ParameterResource>)](/reference/api/csharp/aspire.hosting.nats/natsbuilderextensions/methods.md#addnats-idistributedapplicationbuilder-string-int-iresourcebuilder-parameterresource-iresourcebuilder-parameterresource) : `IResourceBuilder<NatsServerResource>` `extension` `ats ignored` -- Adds a NATS server resource to the application model. A container is used for local development.
- [WithDataBindMount(IResourceBuilder<NatsServerResource>, string, bool)](/reference/api/csharp/aspire.hosting.nats/natsbuilderextensions/methods.md#withdatabindmount-iresourcebuilder-natsserverresource-string-bool) : `IResourceBuilder<NatsServerResource>` `extension` `ats export` -- Adds a bind mount for the data folder to a NATS container resource.
- [WithDataVolume(IResourceBuilder<NatsServerResource>, string?, bool)](/reference/api/csharp/aspire.hosting.nats/natsbuilderextensions/methods.md#withdatavolume-iresourcebuilder-natsserverresource-string-bool) : `IResourceBuilder<NatsServerResource>` `extension` `ats export` -- Adds a named volume for the data folder to a NATS container resource.
- [WithJetStream(IResourceBuilder<NatsServerResource>, string?)](/reference/api/csharp/aspire.hosting.nats/natsbuilderextensions/methods.md#withjetstream-iresourcebuilder-natsserverresource-string) : `IResourceBuilder<NatsServerResource>` `extension` `obsolete` -- Adds JetStream support to the NATS server resource.
- [WithJetStream(IResourceBuilder<NatsServerResource>)](/reference/api/csharp/aspire.hosting.nats/natsbuilderextensions/methods.md#withjetstream-iresourcebuilder-natsserverresource) : `IResourceBuilder<NatsServerResource>` `extension` `ats export` -- Adds JetStream support to the NATS server resource.