grafana/docs/sources/datasources/azuremonitor/template-variables.md

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/docs/grafana/latest/datasources/azuremonitor/template-variables/	Using template variables with Azure Monitor in Grafana	grafana microsoft azure monitor application insights log analytics guide	Azure Monitor template variables	2

Template variables

Instead of hard-coding values for fields like resource group or resource name in your queries, you can use variables in their place to create more interactive, dynamic, and reusable dashboards.

Check out the [Templating]({{< relref "../../dashboards/variables" >}}) documentation for an introduction to the templating feature and the different types of template variables.

The Azure Monitor data source provides the following queries you can specify in the Query field in the Variable edit view

Name	Description
Subscriptions	Returns subscriptions.
Resource Groups	Returns resource groups for a specified subscription.
Namespaces	Returns metric namespaces for the specified subscription and resource group.
Resource Names	Returns a list of resource names for a specified subscription, resource group and namespace.
Metric Names	Returns a list of metric names for a resource.
Workspaces	Returns a list of workspaces for the specified subscription.
Logs	Use a KQL query to return values.
Resource Graph	Use an ARG query to return values.

Any Log Analytics KQL query that returns a single list of values can also be used in the Query field. For example:

Query	Description
workspace("myWorkspace").Heartbeat | distinct Computer	Returns a list of Virtual Machines
workspace("$workspace").Heartbeat | distinct Computer	Returns a list of Virtual Machines with template variable
workspace("$workspace").Perf | distinct ObjectName	Returns a list of objects from the Perf table
workspace("$workspace").Perf | where ObjectName == "$object" | distinct CounterName	Returns a list of metric names from the Perf table

Example of a time series query using variables:

Perf
| where ObjectName == "$object" and CounterName == "$metric"
| where TimeGenerated >= $__timeFrom() and TimeGenerated <= $__timeTo()
| where  $__contains(Computer, $computer)
| summarize avg(CounterValue) by bin(TimeGenerated, $__interval), Computer
| order by TimeGenerated asc