} else {
        // First get the object id of the user that needs to be createed to this group
        // Use the $filter syntax from OData.
        $filteredusers = GraphServiceAccessHelper::getFeedWithFilterClause('users', 'displayName', $_POST['dname']);
        // If the query did not return any members, display an error to the user.
        if (count($filteredusers) === 0) {
            echo '<p><b>Please provide a valid user display name for the user to be added. User display name:\'' . $_POST['dname'] . '\' is not valid</b></p>';
        } else {
            // We should ideally handle the case where there are multiple members with the same diplay name but let's
            // make the simple assumption that they are distinct.
            foreach ($filteredusers as $filtereduser) {
                $userid = $filtereduser->{'objectId'};
            }
            $useruri = array('url' => 'https://graph.windows.net/' . Settings::$appTenantDomainName . '/users(\'' . $userid . '\')');
            $groupUrl = "groups(" . '\'' . $_GET['id'] . '\')';
            $addedLink = GraphServiceAccessHelper::addLinkForEntries($groupUrl, $useruri, 'members');
        }
    }
}
// Get the list of members for this group and diplay. A simplistic assumption that all members
// are users for this sample.
$users = GraphServiceAccessHelper::getLinkedFeed('groups', $_GET['id'], 'members');
foreach ($users as $user) {
    echo '<tr><td>' . $user->{'objectId'} . '</td><td>' . $user->{'displayName'} . '</td></tr>';
}
?>
        </table>
        <br/><br/>
        <form method="post" action="<?php 
echo $_SERVER['PHP_SELF'] . '?id=' . $_GET['id'] . '&name=' . $_GET['name'];
?>