Docs: Azure logs - cross reference field configuration display name (#26804)

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

docs/sources/features/datasources/azuremonitor.md

@@ -263,11 +263,13 @@ You can also select additional number value columns (with, or without multiple d
 ```kusto
 Perf
 | where $__timeFilter(TimeGenerated)
-| summarize Samples=count(), AvgValue=avg(CounterValue)
+| summarize Samples=count(), ["Avg Value"]=avg(CounterValue)
     by bin(TimeGenerated, $__interval), Computer, CounterName, InstanceName
 | order by TimeGenerated asc
 ```
 
+> **Tip**: In the above query, the Kusto syntax `Samples=count()` and `["Avg Value"]=...` is used to rename those columns — the second syntax allowing for the space. This changes the name of the metric that Grafana uses, and as a result, things like series legends and table columns will match what you specify. Here `Samples` is displayed instead of `_count`.
+
 {{< docs-imagebox img="/img/docs/azuremonitor/logs_multi-value_multi-dim.png" class="docs-image--no-shadow" caption="Azure Logs query with multiple values and multiple dimensions" >}}
 
 ### Table queries
@@ -281,6 +283,14 @@ AzureActivity
 | order by TimeGenerated desc
 ```
 
+### Format the display name for Log Analytics
+
+The default display name format is:
+
+`metricName{dimensionName=dimensionValue,dimensionTwoName=DimensionTwoValue}`
+
+This can be customized by using the [display name field configuration option]({{< relref "../../panels/field-configuration-options.md#display-name" >}}).
+
 ### Azure Log Analytics macros
 
 To make writing queries easier there are several Grafana macros that can be used in the where clause of a query: