# AzureServiceBusEmulatorResource.withHostPort

- Module: [Aspire.Hosting.Azure.ServiceBus](/reference/api/typescript/aspire.hosting.azure.servicebus.md)
- Defined on: [AzureServiceBusEmulatorResource](/reference/api/typescript/aspire.hosting.azure.servicebus/azureservicebusemulatorresource.md)
- Version: `13.4.0`
- Kind: `method`

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;
}
```

## Signature

```typescript
withHostPort(port: number): AzureServiceBusEmulatorResource
```

## Parameters

- `port` (`number`)

## Returns

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

## Defined on

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