# withHostPort

- Module: [Aspire.Hosting.Azure.ServiceBus](/reference/api/typescript/aspire.hosting.azure.servicebus.md)
- Version: `13.4.0`
- Kind: `method`
- Source: [GitHub](https://github.com/microsoft/aspire)

Configures the host port for the Azure Service Bus emulator is exposed on instead of using randomly assigned port.

## Definition

```typescript
interface AzureServiceBusEmulatorResource {
  // ... omitted for brevity
  withHostPort(port: number): AzureServiceBusEmulatorResource
}
```

## Parameters

- `port` (`number`)

## Returns

[AzureServiceBusEmulatorResource](/reference/api/typescript/aspire.hosting.azure.servicebus/azureservicebusemulatorresource.md) `builder`

## Applies to

- [AzureServiceBusEmulatorResource](/reference/api/typescript/aspire.hosting.azure.servicebus/azureservicebusemulatorresource.md)