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Alerts

Tell someone in Slack, Teams or email when a condition fires, without stopping the test.

alarm(
    "too_hot",
    when=ch["/demo/temperature"].above(80),
    severity="warn",
    notify=["test-conductor"],
)
whenwhat fires it: a comparison on a channel, above(x), below(x), within(lo, hi) or outside(lo, hi)
severityinfo, warn or critical. Any other value is refused
notifyrole names: lowercase letters, digits, - and _, such as test-conductor

A role names who to tell, not where. On Alerts in the console, map each role to one or more channels on a Slack, Microsoft Teams or Email (SMTP) connector. Change who gets paged there, with no redeploy. Recent deliveries on the same page shows each firing's outcome, including no such role when notify= names a role that doesn't exist.

Each firing is saved as a mark on the channel, so you can find it in Replay. That is why when is a comparison, not a lambda: Phloem must be able to find the mark again in recorded data.

An alert only notifies. To act on hardware, use an interlock. To stop the test, use a stop condition.

Get a Slack message when a limit is crossedSet up a role and an alarm, step by stepStop conditionsStop the test instead of telling someone

Updated