Adding missing parameter

Author: get-itips

skype/skype-ps/skype/Set-CsTeamsGuestMessagingConfiguration.md

@@ -20,15 +20,15 @@ TeamsGuestMessagingConfiguration determines the messaging settings for the guest
 ### Identity (Default)
 ```
 Set-CsTeamsGuestMessagingConfiguration [-Tenant <Guid>] [-AllowUserEditMessage <Boolean>]
- [-AllowUserDeleteMessage <Boolean>] [-AllowUserChat <Boolean>] [-AllowGiphy <Boolean>]
+ [-AllowImmersiveReader <Boolean>] [-AllowUserDeleteMessage <Boolean>] [-AllowUserChat <Boolean>] [-AllowGiphy <Boolean>]
  [-GiphyRatingType <String>] [-AllowMemes <Boolean>] [-AllowStickers <Boolean>] [[-Identity] <XdsIdentity>]
  [-Force] [-WhatIf] [-Confirm] [<CommonParameters>]
 ```
 
 ### Instance
 ```
 Set-CsTeamsGuestMessagingConfiguration [-Tenant <Guid>] [-AllowUserEditMessage <Boolean>]
- [-AllowUserDeleteMessage <Boolean>] [-AllowUserChat <Boolean>] [-AllowGiphy <Boolean>]
+ [-AllowImmersiveReader <Boolean>] [-AllowUserDeleteMessage <Boolean>] [-AllowUserChat <Boolean>] [-AllowGiphy <Boolean>]
  [-GiphyRatingType <String>] [-AllowMemes <Boolean>] [-AllowStickers <Boolean>] [-Instance <PSObject>] [-Force]
  [-WhatIf] [-Confirm] [<CommonParameters>]
 ```
@@ -181,6 +181,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -AllowImmersiveReader
+Determines if immersive reader for viewing messages is enabled.
+
+```yaml
+Type: Boolean
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -Identity
 
 ```yaml