config.inc.php

<?php

$mypage = 'focuspoint';

if($REX['REDAXO']) {

    $I18N->appendFile(dirname(__FILE__) . '/lang/');
    $REX['ADDON']['version'][$mypage] = '0.5';
    $REX['ADDON']['author'][$mypage] = 'Oliver Kreischer, Daniel Weitenauer';
    $REX['ADDON']['name'][$mypage] = $I18N->msg('fp_title');

    $I18N->appendFile(dirname(__FILE__) . '/lang/');

    include $REX["INCLUDE_PATH"]."/addons/focuspoint/classes/class.rex_focuspoint.inc.php";

    rex_register_extension('MEDIA_ADDED', 'rex_focuspoint::set_media');
    rex_register_extension('MEDIA_UPDATED', 'rex_focuspoint::set_media');
    rex_register_extension('MEDIA_FORM_EDIT', 'rex_focuspoint::show_form_info');

    $helpPage = new rex_be_page($I18N->msg('fp_help'), array(
            'page' => $mypage,
            'subpage' => ''
        )
    );
    $helpPage->setHref('index.php?page=focuspoint');

    $REX['ADDON']['pages'][$mypage] = array(
        $helpPage
    );

}