# KubernetesIngressResource.withHostname

- 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 that this ingress matches. Multiple hostnames can be added by calling this method repeatedly. If no hostnames are configured, the ingress matches all hosts.

## Definition

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

## Signature

```typescript
withHostname(hostname: string): KubernetesIngressResource
```

## Parameters

- `hostname` (`string`)

## Returns

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

## Defined on

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