maintenance/application/admin/command/Crud/stubs/html/multiple-html.stub

<div class="dropdown btn-group {:$auth->check('{%controllerUrl%}/multi')?'':'hide'}">
                            <a class="btn btn-primary btn-more dropdown-toggle btn-disabled disabled" data-toggle="dropdown"><i class="fa fa-cog"></i> {:__('More')}</a>
                            <ul class="dropdown-menu text-left" role="menu">
                                {foreach name="{%fieldName%}List" item="vo"}
                                <li><a class="btn btn-link btn-multi btn-disabled disabled" href="javascript:" data-params="{%field%}={$key}">{:__('Set {%field%} to ' . $key)}</a></li>
                                {/foreach}
                            </ul>
                        </div>