Update New-CsAutoAttendant.md

Author: CLYVR

teams/teams-ps/teams/New-CsAutoAttendant.md

@@ -18,7 +18,7 @@ Use the New-CsAutoAttendant cmdlet to create a new Auto Attendant (AA).
 ## SYNTAX
 
 ```powershell
-New-CsAutoAttendant -Name <String> -LanguageId <String> -TimeZoneId <String> -DefaultCallFlow <Object> [-CallFlows <Object>] [-CallHandlingAssociations <Object>] [-Operator <Object>] [-VoiceId <String>] [-EnableVoiceResponse] [-InclusionScope <Object>] [-ExclusionScope <Object>] [-AuthorizedUsers <List>] [-HideAuthorizedUsers <List>] [-UserNameExtension <String>] [-Tenant <Guid>] [<CommonParameters>]
+New-CsAutoAttendant -Name <String> -LanguageId <String> -TimeZoneId <String> -DefaultCallFlow <Object> [-CallFlows <Object>] [-CallHandlingAssociations <Object>] [-Operator <Object>] [-VoiceId <String>] [-EnableVoiceResponse] [-EnableMainlineAttendant] [-InclusionScope <Object>] [-ExclusionScope <Object>] [-AuthorizedUsers <List>] [-HideAuthorizedUsers <List>] [-UserNameExtension <String>] [-Tenant <Guid>] [<CommonParameters>]
 ```
 
 ## DESCRIPTION
@@ -32,6 +32,10 @@ You can create new AAs by using the New-CsAutoAttendant cmdlet; each newly creat
 >
 > - -HideAuthorizedUsers
 > - -UserNameExtension
+>
+> The following configuration parameters will only work for customers that are participating in the Voice Applications private preview for these features. General Availability for this functionality has not been determined at this time.
+>
+> -EnableMainLineAttendant
 
 **NOTES**:
 
@@ -428,6 +432,28 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -EnableMainlineAttendant
+The EnableMainlineAttendant parameter indicates whether Mainline Attendant is enabled for this Auto attendant.
+
+> [!NOTE]
+> 1. The Auto attendant must have a Resource account assigned
+> 1. -LanguageId options are limited when Mainline Attendant is enabled - see [put link here]()
+> 1. -VoiceId choices are limited when Mainline Attendate is enabled - see [put link here]()
+> 1. -EnableVoice will be enabled automatically
+
+```yaml
+Type: SwitchParameter
+Parameter Sets: (All)
+Aliases:
+applicable: Microsoft Teams
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -InclusionScope
 Specifies the users to which call transfers are allowed through directory lookup feature.
 If not specified, all users in the organization can be reached through directory lookup.