Shortcode_Button::do_cmb_form PHP Method

    public function do_cmb_form()
    {
        if (!function_exists('cmb2_metabox_form')) {
            return;
        }
        $form = '<form class="cmb-form" method="post" id="%1$s" enctype="multipart/form-data" encoding="multipart/form-data"><input type="hidden" name="object_id" value="%2$s">%3$s</form>';
        cmb2_metabox_form($this->get_cmb_object(), $this->button_slug, array('form_format' => $form));
    }