Update Get-LicenseReportForChangeNotificationSubscription

Author: anandab-msft

teams/teams-ps/teams/Get-LicenseReportForChangeNotificationSubscription

@@ -6,7 +6,7 @@ author: anandab
 ms.author: anandab
 manager: alagra
 online version: https://docs.microsoft.com/powershell/module/teams/get-licensereportforchangenotificationsubscription 
-schema: 2.0.0
+schema: 2.2.0-preview
 ---
 
 # Get-LicenseReportForChangeNotificationSubscription
@@ -25,6 +25,9 @@ Get-LicenseReportForChangeNotificationSubscription [-Period] <Number>
 
 This cmdlet supports retrieving the total number of messages sent by a user in chat/channel and whether a user has the required license(s) to sent change notification events when subscribed for chat or channel messages. For more details please review https://docs.microsoft.com/en-us/graph/teams-licenses
 
+> [!NOTE]
+> This cmdlet is currently supported in preview version only.
+
 ## EXAMPLES
 
 ### Example