---
title: Alerts tab
description: Review the alerts raised on one run, with their payloads and history.
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Every alert raised on a run lands here, whether your agent raised it or one of the agent's threshold rules did. The tab shows a count of alerts that are still active, so a run in trouble stands out before you open it.

Each alert has a title, a one-line summary, a severity, and the time it was raised. An alert that hasn't cleared is labelled **Active now**. One that has cleared shows the time range between being raised and cleared. Select an alert to open its details, then use **Previous** and **Next** to step through the others.

The details show the alert's payload as a table of fields and values, followed by the alert's history and its ID. A payload can contain [sensitive data](/platform/sensitive-data), which stays hidden until you turn on **Show sensitive information**. When an alert has a long history, the details show only its most recent events.

**Alert rules**, above the list, opens the agent's [Alerts tab](/admin-ui/agent/alerts), where you set the limits behind alerts that Prefactor raises on its own.

## Related

- [Alert](/platform/concepts/alert) — what an alert is and how it raises and clears.
- [Agent page › Alerts tab](/admin-ui/agent/alerts) — the threshold rules behind Prefactor's own alerts.
- [Sensitive data](/platform/sensitive-data) — how sensitive values are marked and hidden.
- [Agent instance page](/admin-ui/agent-instance) — how the instance tabs fit together.