# AspireServiceBusExtensions

- Kind: `class`
- Package: [Aspire.Azure.Messaging.ServiceBus](/reference/api/csharp/aspire.azure.messaging.servicebus.md)
- Version: `13.4.0`
- Namespace: `Microsoft.Extensions.Hosting`
- Target framework: `net10.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/cbc352350f1a9bafbaff10d14a2c8de4ac186a48/src/Components/Aspire.Azure.Messaging.ServiceBus/AspireServiceBusExtensions.cs)

Provides extension methods for registering `ServiceBus.ServiceBusClient` as a singleton in the services provided by the `Hosting.IHostApplicationBuilder`.

## Definition

```csharp
namespace Microsoft.Extensions.Hosting;

public static class AspireServiceBusExtensions
{
    // ...
}
```

## Methods

- [AddAzureServiceBusClient(IHostApplicationBuilder, string, Action<AzureMessagingServiceBusSettings>, Action<IAzureClientBuilder<ServiceBusClient, ServiceBusClientOptions>>)](/reference/api/csharp/aspire.azure.messaging.servicebus/aspireservicebusextensions/methods.md#addazureservicebusclient-ihostapplicationbuilder-string-action-azuremessagingservicebussettings-action-iazureclientbuilder-servicebusclient-servicebusclientoptions) `extension` -- Registers `ServiceBus.ServiceBusClient` as a singleton in the services provided by the `builder`.
- [AddKeyedAzureServiceBusClient(IHostApplicationBuilder, string, Action<AzureMessagingServiceBusSettings>, Action<IAzureClientBuilder<ServiceBusClient, ServiceBusClientOptions>>)](/reference/api/csharp/aspire.azure.messaging.servicebus/aspireservicebusextensions/methods.md#addkeyedazureservicebusclient-ihostapplicationbuilder-string-action-azuremessagingservicebussettings-action-iazureclientbuilder-servicebusclient-servicebusclientoptions) `extension` -- Registers `ServiceBus.ServiceBusClient` as a singleton for given `name` in the services provided by the `builder`.