Step 1: Create a blank Logic app.
Create and configure a Logic App.
Step 2: Add a logical app trigger that fires when one or more messages arrive in the queue.
Configure the logic app trigger.
Under Triggers, select When one or more messages arrive in a queue (auto-complete).
Step 3: Add an action that reads IoT temperature data from the Service Bus queue
Step 4: Add a condition that compares the temperature against the upper and lower thresholds.
Step 5: Add an action that sends an email to specified personnel if the temperature is outside of those thresholds
Reference:
https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-monitoring-notifications-with-azure-logic-apps
