citywebshop_cms/application/views/menus_item.php

<option value="0"><?=lang::_('Fist select a group and an event...')?></option>
<?php foreach ($menus as $menu) : ?>
    <option value="<?=$menu['id']?>"
        data-label="<?=$menu['label']?>" 
        data-description="<?=$menu['description']?>" 
        data-price="<?=$menu['price']?>"
    >
        <?=$menu['label']?>
    </option>
<?php endforeach; ?>