Merge pull request #188354 from sefriend/autoscale-doc-updates

Autoscale doc updates

Author: PRMerger7

articles/virtual-desktop/set-up-scaling-script.md

@@ -115,7 +115,7 @@ First, you'll need an Azure Automation account to run the PowerShell runbook. Th
     >[!NOTE]
     >If your policy doesn't let you create scaling script resources in a specific region, update the policy assignment and add the region you want to the list of allowed regions.
 
-5. The cmdlet's output will include a webhook URI. Make sure to keep a record of the URI because you'll use it as a parameter when you set up the execution schedule for the Azure Logic App.
+5. If you haven't created an automation account before, the cmdlet's output will include an encrypted webhook URI in the automation account variable. Make sure to keep a record of the URI because you'll use it as a parameter when you set up the execution schedule for the Azure Logic App. If you're updating an existing automation account, you can retrieve the webhook URI using [PowerShell to access variables](../automation/shared-resources/variables.md#powershell-cmdlets-to-access-variables).
 
 6. If you specified the parameter **WorkspaceName** for Log Analytics, the cmdlet's output will also include the Log Analytics Workspace ID and its Primary Key. Make sure to remember URI because you'll need to use it again later as a parameter when you set up the execution schedule for the Azure Logic App.
 
@@ -197,12 +197,12 @@ Finally, you'll need to create the Azure Logic App and set up an execution sched
     $LimitSecondsToForceLogOffUser = Read-Host -Prompt "Enter the number of seconds to wait before automatically signing out users. If set to 0, any session host VM that has user sessions, will be left untouched"
     $LogOffMessageTitle = Read-Host -Prompt "Enter the title of the message sent to the user before they are forced to sign out"
     $LogOffMessageBody = Read-Host -Prompt "Enter the body of the message sent to the user before they are forced to sign out"
-
+    
     $AutoAccount = Get-AzAutomationAccount | Out-GridView -OutputMode:Single -Title "Select the Azure Automation account"
     $AutoAccountConnection = Get-AzAutomationConnection -ResourceGroupName $AutoAccount.ResourceGroupName -AutomationAccountName $AutoAccount.AutomationAccountName | Out-GridView -OutputMode:Single -Title "Select the Azure RunAs connection asset"
-
-    $WebhookURIAutoVar = Get-AzAutomationVariable -Name 'WebhookURIARMBased' -ResourceGroupName $AutoAccount.ResourceGroupName -AutomationAccountName $AutoAccount.AutomationAccountName
-
+    
+    $WebhookURI = Read-Host -Prompt "Enter the webhook URI that has already been generated for this Azure Automation account. The URI is stored as encrypted in the above Automation Account variable. To retrieve the value, see https://docs.microsoft.com/azure/automation/shared-resources/variables?tabs=azure-powershell#powershell-cmdlets-to-access-variables"
+    
     $Params = @{
          "AADTenantId"                   = $AADTenantId                             # Optional. If not specified, it will use the current Azure context
          "SubscriptionID"                = $AzSubscription.Id                       # Optional. If not specified, it will use the current Azure context
@@ -224,7 +224,7 @@ Finally, you'll need to create the Azure Logic App and set up an execution sched
          "LimitSecondsToForceLogOffUser" = $LimitSecondsToForceLogOffUser           # Optional. Default: 1
          "LogOffMessageTitle"            = $LogOffMessageTitle                      # Optional. Default: "Machine is about to shutdown."
          "LogOffMessageBody"             = $LogOffMessageBody                       # Optional. Default: "Your session will be logged off. Please save and close everything."
-         "WebhookURI"                    = $WebhookURIAutoVar.Value
+         "WebhookURI"                    = $WebhookURI
     }
 
     .\CreateOrUpdateAzLogicApp.ps1 @Params
@@ -234,7 +234,7 @@ Finally, you'll need to create the Azure Logic App and set up an execution sched
 
     >[!div class="mx-imgBorder"]
     >![An image of the overview page for an example Azure Logic App.](media/logic-app.png)
-
+    
     To make changes to the execution schedule, such as changing the recurrence interval or time zone, go to the Azure Logic App autoscale scheduler and select **Edit** to go to the Azure Logic App Designer.
 
     >[!div class="mx-imgBorder"]