Task 15517198: Update test button supported alert type document (#20774)

* Task 15517198: Update test button supported alert type document

* Add custom words

* Change the description

* Update custom-words.txt

Co-authored-by: Thomas Pham <[email protected]>
Co-authored-by: Dapeng Zhang <[email protected]>

Author: 3 people

custom-words.txt

@@ -2743,3 +2743,15 @@ KubeProxyConfig
 IPVS
 TCPFIN
 taginheritance
+servicehealth
+metricstaticthreshold
+metricsdynamicthreshold
+logalert
+logalertv2
+smartalert
+webtestalert
+logalertv1numresult
+logalertv1metricmeasurement
+resourcehealth
+activitylog
+budget

specification/monitor/resource-manager/Microsoft.Insights/stable/2022-06-01/actionGroups_API.json

@@ -785,7 +785,7 @@
         "alertType": {
           "type": "string",
           "maxLength": 30,
-          "description": "The name of the supported alert type."
+          "description": "The value of the supported alert type. Supported alert type values are: servicehealth, metricstaticthreshold, metricsdynamicthreshold, logalertv2, smartalert, webtestalert, logalertv1numresult, logalertv1metricmeasurement, resourcehealth, activitylog, budget"
         },
         "emailReceivers": {
           "x-ms-identifiers": [],