Add AllOrganizationSecurityGroupId to Set-SPOTenant.md

Added docs for AllOrganizationSecurityGroupId and updated DiscoverableByOrganizationEnabled to reflect.

Author: hhhults

sharepoint/sharepoint-ps/sharepoint-online/Set-SPOTenant.md

@@ -24,6 +24,7 @@ Set-SPOTenant
  [-AIBuilderModelSelectedSitesIncludesContentCenters <Boolean>]
  [-AIBuilderModelSelectedSitesList [String[]]]
  [-AIBuilderModelSelectedSitesListOperation <SelectedSitesListOperations>]
+ [-AllOrganizationSecurityGroupId <Guid>]
  [-AllowAnonymousMeetingParticipantsToAccessWhiteboards <SharingState>]
  [-AllowCommentsTextOnEmailEnabled <Boolean>]
  [-AllowDownloadingNonWebViewableFiles <Boolean>]
@@ -405,6 +406,22 @@ This example disables the Power Apps Adaptive Card Extension.
 
 ## PARAMETERS
 
+### -AllOrganizationSecurityGroupId
+
+Sets the All-Organization Security Group by object ID. This group is then used for other features, such as "EnableDiscoverableByOrganizationForVideos", if enabled. If you change the group ID associated with the All-Organization Security Group, it will only be effective on new shares or permission events.
+
+```yaml
+Type: Guid
+Parameter Sets: (All)
+Aliases:
+Applicable: SharePoint Online
+Required: False
+Position: Named
+Default value: False
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -ApplyAppEnforcedRestrictionsToAdHocRecipients
 
 When the feature is enabled, all guest users are subject to conditional access policy. By default guest users who are accessing SharePoint Online files with pass code are exempt from the conditional access policy.
@@ -3778,7 +3795,7 @@ Accept wildcard characters: False
 
 ### -EnableDiscoverableByOrganizationForVideos
 
-Allows the sharing dialog to include a checkbox offering the user the ability to share to a security group containing every user in the organization.
+When set to true, allows users to easily share a video with the entire company, using the security group defined in "AllOrganizationSecurityGroupId". If this security group is undefined, the Discoverable By Company for Videos feature will remain hidden.
 
 PARAMVALUE: True | False