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Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.

DocumentationGrafana documentationAlertingContact pointsMessage templatingExample message template
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Example of a custom template

Here’s an example of how to use a custom template. You can also use the default template included in the setup.

Step 1: Configure a template to render a single alert.

{{ define "myalert" }}
  [{{.Status}}] {{ .Labels.alertname }}

  Labels:
  {{ range .Labels.SortedPairs }}
    {{ .Name }}: {{ .Value }}
  {{ end }}

  {{ if gt (len .Annotations) 0 }}
  Annotations:
  {{ range .Annotations.SortedPairs }}
    {{ .Name }}: {{ .Value }}
  {{ end }}
  {{ end }}

  {{ if gt (len .SilenceURL ) 0 }}
    Silence alert: {{ .SilenceURL }}
  {{ end }}
  {{ if gt (len .DashboardURL ) 0 }}
    Go to dashboard: {{ .DashboardURL }}
  {{ end }}
{{ end }}

Step 2: Configure a template to render entire notification message.

{{ define "mymessage" }}
  {{ if gt (len .Alerts.Firing) 0 }}
    {{ len .Alerts.Firing }} firing:
    {{ range .Alerts.Firing }} {{ template "myalert" .}} {{ end }}
  {{ end }}
  {{ if gt (len .Alerts.Resolved) 0 }}
    {{ len .Alerts.Resolved }} resolved:
    {{ range .Alerts.Resolved }} {{ template "myalert" .}} {{ end }}
  {{ end }}
{{ end }}

Step 3: Add mymessage in the notification message field.

Alert summary:
{{ template "mymessage" . }}