# KubernetesEnvironmentResource.addCertManager

- Module: [Aspire.Hosting.Kubernetes](/reference/api/typescript/aspire.hosting.kubernetes.md)
- Defined on: [KubernetesEnvironmentResource](/reference/api/typescript/aspire.hosting.kubernetes/kubernetesenvironmentresource.md)
- Version: `13.4.0-preview.1.26281.18`
- Kind: `method`

Installs cert-manager into a Kubernetes environment

## Definition

```typescript
interface KubernetesEnvironmentResource {
  // ... omitted for brevity
  addCertManager(
      name: string,
      chartVersion?: string): CertManagerResource;
}
```

## Signature

```typescript
addCertManager(
    name: string,
    chartVersion?: string): CertManagerResource
```

## Parameters

- `name` (`string`)
- `chartVersion` (`string`) `optional`

## Returns

[CertManagerResource](/reference/api/typescript/aspire.hosting.kubernetes/certmanagerresource.md) `builder`

## Defined on

- [KubernetesEnvironmentResource](/reference/api/typescript/aspire.hosting.kubernetes/kubernetesenvironmentresource.md) -- `handle`