Выбрать всех пользователей со свойствами GetList

$userFilter = array(
    'ACTIVE' => 'Y'
);
$rsUser = CUser::GetList(
    $userBy = "UF_USER_POINTS",
    $userOrder = "ASC",
    $userFilter,
    array(
        'SELECT' => array('UF_*'))
);

$userID = $USER->GetId();
while ($user = $rsUser->Fetch())
{}