# withGatewayTlsIssuer

- Module: [Aspire.Hosting.Kubernetes](/reference/api/typescript/aspire.hosting.kubernetes.md)
- Version: `13.4.0-preview.1.26281.18`
- Kind: `method`
- Source: [GitHub](https://github.com/microsoft/aspire)

Adds an HTTPS listener to the gateway and wires it to the supplied cert-manager `ClusterIssuer`. This adds the `cert-manager.io/cluster-issuer` annotation to the generated Gateway resource, causing cert-manager to provision and renew a certificate for each gateway listener hostname.

## Definition

```typescript
interface KubernetesGatewayResource {
  // ... omitted for brevity
  withGatewayTlsIssuer(issuer: CertManagerIssuerResource): KubernetesGatewayResource
}
```

## Parameters

- `issuer` ([CertManagerIssuerResource](/reference/api/typescript/aspire.hosting.kubernetes/certmanagerissuerresource.md))

## Returns

[KubernetesGatewayResource](/reference/api/typescript/aspire.hosting.kubernetes/kubernetesgatewayresource.md) `builder`

## Applies to

- [KubernetesGatewayResource](/reference/api/typescript/aspire.hosting.kubernetes/kubernetesgatewayresource.md)