Why build an alert rule?
An alert rule turns your telemetry into action. It watches a query, decides when something is wrong, and notifies the right people through the right channel — so you find out about problems before your users do.
Every alert rule is built from the same pieces: a query that defines what to watch, a condition that decides when to fire, labels and a folder that organize and route it, evaluation settings that control timing, and notification settings that decide who hears about it. In this path, you build all of them in order.
This path uses the QuickPizza tutorial data sources. The next milestone installs them for you, then the one after opens the new alert rule page so you can name your rule.
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