nLink" value="/components/tree"/>
    <ui:param name="widgetLink" value="VerticalTree-1"/>

    <ui:define name="implementation">
        <div class="card">
            <h:form>
                <p:tree value="#{treeIconView.root}" var="doc">
                    <p:treeNode expandedIcon="pi pi-folder-open" collapsedIcon="pi pi-folder">
                        <h:outputText value="#{doc.name}"/>
                    </p:treeNode>
                    <p:treeNode type="app" icon="pi pi-save">
                   