Add shared voicemail docs for CallableEntity creation

Author: Amr Elroumy

skype/skype-ps/skype/New-CsAutoAttendantCallableEntity.md

@@ -26,6 +26,7 @@ The New-CsAutoAttendantCallableEntity cmdlet lets you create a callable entity f
 
 - User
 - ApplicationEndpoint
+- SharedVoicemail
 
 ## EXAMPLES
 
@@ -59,6 +60,14 @@ This example gets a user object using Get-CsOnlineUser cmdlet. We then use the A
 
 This example gets an application instance by name using Find-CsOnlineApplicationInstance cmdlet. We then use the AAD ObjectId of that application instance to create an application endpoint callable entity.
 
+### -------------------------- Example 5 --------------------------
+```powershell
+ $callableEntityId = (Find-CsGroup -SearchQuery "Main Auto Attendant") -MaxResults 1 -MailEnabledOnly $true | Select-Object -Property Id
+ $callableEntity = New-CsAutoAttendantCallableEntity -Identity $callableEntityId -Type SharedVoicemail -EnableTranscription
+```
+
+This example gets an mail-enabled group by name using Find-CsGroup cmdlet. We then use the ObjectId of that group to create a shared voicemail callable entity that supports transcription.
+
 ## PARAMETERS
 
 ### -Identity
@@ -115,6 +124,20 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -EnableTranscription
+```yaml
+Type: SwitchParameter
+Parameter Sets: (All)
+Aliases: 
+Applicable: Skype for Business Online
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### CommonParameters
 This cmdlet supports the common parameters: `-Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters (https://go.microsoft.com/fwlink/?LinkID=113216).`