Menubar displays root items horizontally and nested items as tiered.
<div class="card">
<h:form>
<p:growl id="messages"/>
<p:menubar hideDelay="1000">
<f:facet name="start">
<p:graphicImage name="images/primefaces-logo.svg" library="showcase" width="150"
styleClass="mt-2"/>
</f:facet>
<p:submenu label="File" icon="pi pi-fw pi-file">
<p:submenu label="New" icon="pi pi-fw pi-plus">
<p:menuitem value="Bookmark" icon="pi pi-fw pi-bookmark"/>
<p:menuitem value="Video" icon="pi pi-fw pi-video"/>
</p:submenu>
<p:menuitem value="Delete" icon="pi pi-fw pi-trash"/>
<p:divider/>
<p:menuitem value="Export" icon="pi pi-fw pi-external-link"/>
</p:submenu>
<p:submenu label="Edit" icon="pi pi-fw pi-pencil">
<p:menuitem value="Left" icon="pi pi-fw pi-align-left"/>
<p:menuitem value="Right" icon="pi pi-fw pi-align-right"/>
<p:menuitem value="Center" icon="pi pi-fw pi-align-center"/>
<p:menuitem value="Justify" icon="pi pi-fw pi-align-justify"/>
</p:submenu>
<p:submenu label="Users" icon="pi pi-fw pi-user">
<p:menuitem value="New" icon="pi pi-fw pi-user-plus"/>
<p:menuitem value="Delete" icon="pi pi-fw pi-user-minus"/>
<p:submenu label="Search" icon="pi pi-fw pi-users">
<p:submenu label="Filter" icon="pi pi-fw pi-filter">
<p:menuitem value="Print" icon="pi pi-fw pi-print"/>
</p:submenu>
<p:menuitem value="List" icon="pi pi-fw pi-bars"/>
</p:submenu>
</p:submenu>
<p:submenu label="Events" icon="pi pi-fw pi-calendar">
<p:submenu label="Edit" icon="pi pi-fw pi-pencil">
<p:menuitem value="Save" icon="pi pi-fw pi-calendar-plus"/>
<p:menuitem value="Delete" icon="pi pi-fw pi-calendar-minus"/>
</p:submenu>
<p:submenu label="Archieve" icon="pi pi-fw pi-calendar-times">
<p:menuitem value="Remove" icon="pi pi-fw pi-calendar-minus"/>
</p:submenu>
</p:submenu>
<p:divider layout="vertical"/>
<p:menuitem value="Quit" icon="pi pi-fw pi-power-off"/>
<f:facet name="end">
<div class="ui-input-icon-left mr-2">
<i class="pi pi-fw pi-search"/>
<p:inputText placeholder="Search"/>
</div>
<p:button value="Logout" icon="pi pi-fw pi-sign-out" styleClass="ui-button-info"/>
</f:facet>
</p:menubar>
</h:form>
</div>