This documentation is not using the current rendering mechanism and is probably outdated. The extension maintainer should switch to the new system. Details on how to use the rendering mechanism can be found here.

Adding items to the sidebar

[TODO: Explain how other extensions can easily add new items to the sidebar]

if (t3lib_extMgm::isLoaded('templavoilaplus'))    {
    require_once (t3lib_extMgm::extPath('templavoilaplus').'mod1/class.tx_templavoilaplus_mod1_sidebar.php');
class tx_myext_templavoila_sidebar {
    function init() {
            // Create / get instances:
        $thisObj =& t3lib_div::getUserObj ('tx_myext_templavoila_sidebar', '');
        $sideBarObj =& t3lib_div::getUserObj ('Ppi\\TemplaVoilaPlus\Module\\Mod1\\Sidebar', '');
            // Register sidebar item:
        $sideBarObj->addItem ('tx_myext_templavoila_sidebar_item1', $thisObj, 'renderItem_myext', 'My Extension', 50);
    function renderItem_myext(&$pObj) {
            // Dummy output, just return the current page id:
        return $pObj->id;
if (t3lib_extMgm::isLoaded('templavoilaplus'))    {
    require_once (t3lib_extMgm::extPath($_EXTKEY).'class.tx_myext_templavoila_sidebar.php');