You can use a connector of type Service Bus queue to exchange information via an Azure Service bus topic and subscriptions. A topic and subscriptions provide a one-to-many form of communication in a publish and subscribe pattern. It's useful for scaling to large numbers of recipients. Each published message is made available to each subscription registered with the topic. Publisher sends a message to a topic and one or more subscribers receive a copy of the message, depending on filter rules set on these subscriptions.
To set up an Azure Service Bus queue:
Create a namespace in the Azure portal
You need the Service Bus namespace name to fill in the Service Bus namespace field of the connector.Create a topic in the Azure portal
You need the Service Bus topic name to fill in the Entity name field of the connector.Create subscriptions to the topic
You need the Service Bus subscription name to fill in the Subscription field of the connector.Create Shared access signature (SAS) policy
You can create and use a SAS policy on these levels: Service Bus queue or Service Bus namespace. You need the:SAS policy name to fill in the Policy name field of the connector.
Primary key of the SAS policy to fill in the Policy key field of the connector.
For more information, refer to: