# KubernetesIngressResource.withIngressHostnameParam

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

Adds a hostname using a parameter that will be resolved at deploy time.

## Definition

```typescript
interface KubernetesIngressResource {
  // ... omitted for brevity
  withIngressHostnameParam(hostname: ParameterResource): KubernetesIngressResource;
}
```

## Signature

```typescript
withIngressHostnameParam(hostname: ParameterResource): KubernetesIngressResource
```

## Parameters

- `hostname` (`ParameterResource`)

## Returns

[KubernetesIngressResource](/reference/api/typescript/aspire.hosting.kubernetes/kubernetesingressresource.md) `builder`

## Defined on

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