Merge branch 'troubleshoot-script-updates' into 'master'

Troubleshhot event grid script updates

See merge request !472

docs/Trouble Shooting Guides/tsg-scripts/subscriberCreationRegisterService.ps1

+# Elevated permissions are required for running these commands.
 $myWebhookAadTenantId = "<Your Webhook's Azure AD tenant id>"
 
 Connect-AzureAD -TenantId $myWebhookAadTenantId
 
-# This is the "Azure Event Grid" Azure Active Directory (AAD) AppId
+# This is the "Azure Event Grid" Azure Active Directory (AAD) AppId. Don't change this value.
 $eventGridAppId = "4962773b-9cdb-44cf-a8bf-237846a00ab7"
 
 # Create the "Azure Event Grid" AAD Application service principal if it doesn't exist
@@ -66,8 +67,8 @@ Write-Host $myAppRoles
 #####################################################
 
 
-# This is the app id of the application which will create event subscription. Set to $null if you are not assigning the role to app.
-#$eventSubscriptionWriterAppId = "<the app id of the application which will create event subscription>"
+# This is the app id of the application which will create event subscription. Set to $null if you are not assigning the role to app. app-dev-sp-username in common resource keyvault contains this values.
+$eventSubscriptionWriterAppId = "<the app id of the application which will create event subscription>"
 
 $myServicePrincipal = Get-AzureADServicePrincipal -Filter ("appId eq '" + $myApp.AppId + "'")
 
@@ -80,4 +81,4 @@ New-AzureADServiceAppRoleAssignment -Id $eventGridAppRole.Id -ResourceId $myServ
 
 Write-Host "My Webhook's Azure AD Tenant Id:  $myWebhookAadTenantId"
 Write-Host "My Webhook's Azure AD Application Id: $($myApp.AppId)"
-Write-Host "My Webhook's Azure AD Application ObjectId Id$($myApp.ObjectId)"
+Write-Host "My Webhook's Azure AD Application ObjectId Id$($myApp.ObjectId)"
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