# KubernetesHelmChartResource Constructors

- Package: [Aspire.Hosting.Kubernetes](/reference/api/csharp/aspire.hosting.kubernetes.md)
- Type: [KubernetesHelmChartResource](/reference/api/csharp/aspire.hosting.kubernetes/kuberneteshelmchartresource.md)
- Kind: `Constructors`
- Members: `1`

Represents an external Helm chart to be installed into a Kubernetes environment. This resource models a Helm chart from a repository (OCI or HTTP) that will be installed as a pipeline step after the main application Helm chart is deployed.

## KubernetesHelmChartResource(string, KubernetesEnvironmentResource, string, string)

- Name: `Constructor(string, KubernetesEnvironmentResource, string, string)`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/becb48e2d61099e35ae336d527d3875e928d6594/src/Aspire.Hosting.Kubernetes/KubernetesHelmChartResource.cs#L57-L101)

Initializes a new instance of [KubernetesHelmChartResource](/reference/api/csharp/aspire.hosting.kubernetes/kuberneteshelmchartresource.md).

```csharp
public sealed class KubernetesHelmChartResource
{
    public KubernetesHelmChartResource(
        string name,
        KubernetesEnvironmentResource environment,
        string chartReference,
        string chartVersion)
    {
        // ...
    }
}
```

## Parameters

- `name` (`string`)
  The name of the Helm chart resource.
- `environment` ([KubernetesEnvironmentResource](/reference/api/csharp/aspire.hosting.kubernetes/kubernetesenvironmentresource.md))
  The parent Kubernetes environment resource.
- `chartReference` (`string`)
  The Helm chart reference (e.g., an OCI URL).
- `chartVersion` (`string`)
  The Helm chart version to install.