Attribtue Scope Query sample.ps1

$Name = "MSFT-Office 365 Enterprise E1"
$groupSearcher = [adsisearcher]"(samaccountname=$Name)"
$group = $groupSearcher.FindOne() 
$memberSearch = [adsisearcher]::new($group.GetDirectoryEntry(),"(&(objectClass=user)(objectCategory=Person))",[string[]]'samaccountname','base')
$memberSearch.AttributeScopeQuery = "member";
foreach($member in $memberSearch.FindAll())
{
    $member.Properties['samaccountname']
}