<!-- plugins -->
            {* @event (frontend_action_default|frontend_action_post|frontend_action_page|frontend_action_error).%plugin_id%.sidebar *}
            {foreach $frontend_action as $plugin => $output}
              {if !empty($output.sidebar)}
                  <hr>
                  <div class="{$plugin}">
                      {$output.sidebar}
                  </div>
              {/if}
            {/foreach}