public static function inner_synchronization_box($post, $current_box)
    {
        $wp_ws_url = WpakWebServices::get_app_web_service_url($post->ID, 'synchronization');
        ?>
        <a href="#" class="hide-if-no-js wpak_help"><?php 
        _e('Help me', WpAppKit::i18n_domain);
        ?>
</a>
        <div class="field-group">
            <a class="button" href="<?php 
        echo $wp_ws_url;
        ?>
" target="_blank"><?php 
        _e('Show Me Web Service Data', WpAppKit::i18n_domain);
        ?>
</a>
        </div>
        <?php 
        do_action('wpak_inner_synchronization_box', $post, $current_box);
    }