Here is the very simple tree:
<rich:tree>
<rich:treeNodesAdaptor nodes="#{treeBean.projects}" var="projects">
<rich:treeNode>
<h:outputText value="#{projects.projectId}" />
</rich:treeNode>
<rich:treeNodesAdaptor>
<rich:treeNode>
<h:outputText value="#{projects.name}" />
</rich:treeNode>
</rich:treeNodesAdaptor>
</rich:treeNodesAdaptor>
</rich:tree>nevermind, I have this one