At the time of writing this, managing a Service Bus is possible only from the classic portal:
The common concept at the heart of a service bus is the namespace. Every service needs a public endpoint reachable from the outside. So, the first thing to do with a service bus is assign a name that will be used under the
.servicebus.windows.net DNS name. There is no standalone way to create a namespace without creating a specific service, such as a queue, relay, topics, notification hub, and EventHub, but it is possible to then create every other service.
So, we need a queue to send commands to act on a basket. We select MESSAGING ...