Update Get-CsOnlineUser.md

Author: praspatil05

teams/teams-ps/teams/Get-CsOnlineUser.md

@@ -320,6 +320,10 @@ A recent fix has addressed an issue where some Guest users were being omitted fr
 - Conferencing_RequiresCommunicationCredits: Allows pay-per minute Audio Conferencing without monthly licenses.
 - CommunicationCredits: Enables users to pay Teams calling and conferencing through the credits.
 
+**Updates in Teams PowerShell Module**:
+
+- DialPlan : DialPlan attribute will be deprecated and no longer populated in the output of Get-CsOnlineUser in all clouds.
+  
 **Updates in Teams PowerShell Module version 7.0.0 and later**:
 
 - OptionFlags: OptionFlags attribute will no longer be populated with value in the output of Get-CsOnlineUser in all clouds. It's important to note that other details besides EnterpriseVoiceEnabled, previously found in OptionFlags, are no longer relevant for Teams. Administrators can still utilize the EnterpriseVoiceEnabled attribute in the output of the Get-CsOnlineUser cmdlet to get this information. This change will be rolled out to all Teams Powershell Module versions.