Fieldsets во вкладках

class formMyform extends cmsForm {
 
    public $is_tabbed = true;
 
    public function init() {
 
        return array(
            array(
                'type'   => 'fieldset',
 
             ...
 
            ),
 
            array(
                'type'   => 'fieldset',
 
             ...
 
            ),
     )
 
  }
 

<div class="tabs-menu mb-3 form-tabs">
 
  <ul class="nav nav-tabs flex-wrap">
     <li class="nav-item">
        <a class="nav-link active" href="#tab-0" data-toggle="tab" role="tab">Заголовок</a>
     </li>
     <li class="nav-item">
        ...
     </li>
   </ul>
 
   <div class="tab-content">
      <div id="tab-0" class="tab-pane">...</div>
      <div id="tab-1" class="tab-pane">...</div>
      <div id="tab-0" class="tab-pane">...</div>
   </div>
 
</div>