Create an alert rule
Define a threshold condition and its delivery action. Rules evaluate on each inbound message.
1
Open Rules, then click New rule.
2
Enter the Condition as a boolean expression over telemetry fields, e.g. temperature > 80.
3
Set Action. Webhook delivery retries 3× with exponential backoff; failures surface under Alerts.
4
Click Save rule. The rule activates immediately and applies to all devices in scope.