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The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
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grafana/docs/sources/alerting/fundamentals/annotation-label/variables-label-annotation.md

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Docs: Move labels and annotations topic to alerting fundamentals section (#49283) * Moved annotation and labels topic to fundamentals and added label matching to the same section * Cosmetic updates to "How label matching works topic" * Few more changes to annotations and label section. Also added stem sentence to silences topics. * Fixed one more broken relref. * Update docs/sources/alerting/fundamentals/_index.md Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com> Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>
3 years ago
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title = "Template variables for alerting rule labels and annotations"
description = "Learn about labels and label matchers in alerting"
keywords = ["grafana", "alerting", "guide", "fundamentals"]
weight = 117
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# Template variables for alerting rule labels and annotations
The following template variables are available when expanding annotations and labels.
| Name | Description |
| ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| $labels | The labels from the query or condition. For example, `{{ $labels.instance }}` and `{{ $labels.job }}`. This is unavailable when the rule uses a [classic condition]({{< relref "../../alerting-rules/create-grafana-managed-rule/#single-and-multi-dimensional-rule" >}}). |
| $values | The values of all reduce and math expressions that were evaluated for this alert rule. For example, `{{ $values.A }}`, `{{ $values.A.Labels }}` and `{{ $values.A.Value }}` where `A` is the `refID` of the expression. If the rule uses classic conditions, then a combination of the `refID` and position of the condition is used. For example, `{{ $values.A0.Value }}` or `{{ $values.A1.Value }}` |
| $value | The value string of the alert instance. For example, `[ var='A' labels={instance=foo} value=10 ]`. |