ElggMenuItem::setTooltip PHP Method

    public function setTooltip($text)
    {
        $this->title = $text;
    }

function tu_spam_report_river_menu($hook, $type, $return, $params)
{
    if ($params['item']->type == 'object' && elgg_is_logged_in() && !$params['item']->annotation_id) {
        $user = elgg_get_logged_in_user_entity();
        $object = $params['item']->getObjectEntity();
        if (trusted_users_is_trusted($user) && !tu_spam_report_is_marked($object, $user)) {
            // we're a trusted user, give us a spam link
            $text = elgg_view_icon('attention');
            $href = elgg_add_action_tokens_to_url('action/report_spam?guid=' . $object->guid);
            $item = new ElggMenuItem('report_spam', $text, $href);
            $item->setTooltip(elgg_echo('tu_spam_report:mark'));
            $return[] = $item;
        }
    }
    return $return;
}