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Docs: Add the index function

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Simon Crute 2023-04-05 13:49:57 +01:00 committed by GitHub
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docs/sources/alerting/manage-notifications/template-notifications/using-go-templating-language.md
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@ -71,6 +71,16 @@ The name of the annotation is {{ .Name }}, and the value is {{ .Value }}
{{ end }}
```
## The index function
To print a specific annotation or label use the `index` function.
```
{{ range .Alerts }}
The name of the alert is {{ index .Labels "alertname" }}
{{ end }}
```
## If statements
You can use if statements in templates. For example, to print `There are no alerts` if there are no alerts in `.Alerts` you would write the following: