How to create secondary menus?

[robotgoto]

I want to create a secondary menu, how to achieve ?

<div class="sidebar-wrapper">
    <ul class="nav">
        <li routerLinkActive="active" *ngFor="let menuItem of menuItems" class="{{menuItem.class}} nav-item">
            <a [routerLink]="[menuItem.path]">
                <i class="now-ui-icons {{menuItem.icon}}"></i>
                <p>{{menuItem.title}}</p>
            </a>
        </li>
    </ul>
</div>

[chelaruc]

Hi, @robotgoto. Thank you for using our product. Unfortunately, it is a PRO version feature: https://demos.creative-tim.com/now-ui-dashboard-pro-angular/#/dashboard