The Azure Tools from Cirrus Link are fundamental blocks in the architecture shown below. Specifically, the tool covered is the IoT Bridge for Azure.
IoT Bridge for Azure
In a nutshell IoT Bridge for Azure connects to an MQTT Server on one side and consumes Sparkplug messages to create and update Azure Digital Twins models and assets automatically without the need for any code. More information on its basic functionality can be found here. If you would like to try it out the quickstart manual is here.