---
title: "Evaluation behavior | Grafana Labs"
description: "Control how often the rule runs, how long it waits before firing, and how it handles missing data or errors."
---

> For a curated documentation index, see [llms.txt](/llms.txt). For the complete documentation index, see [llms-full.txt](/llms-full.txt).

# Evaluation behavior

Control how often the rule runs, how long it waits before firing, and how it handles missing data or errors.

Estimated time: 4 min

[Start this section →](/docs/learning-hub/basic-alerting/04-evaluation/10-evaluation-timing/)