<a href="#" class="dropdown-toggle" data-toggle="dropdown">
    <i class="icon-off"></i> {{ _('System') }}
    <b class="caret"></b>
</a>
<ul class="dropdown-menu" data-bind="foreach: systemActions">
    <li><a href="#" data-bind="click: $root.triggerAction, text: name"></a></li>
</ul>
