Demo of a portlets xml that adds a Static portlet to Plone

portlets.xml

<?xml version="1.0"?>
<!-- locate this file under profiles/default/portlets.xml -->
<portlets>
 
 <assignment name="proof-of-concept" category="context" key="/"
    manager="plone.rightcolumn" type="plone.portlet.static.Static"
    visible="True">
  <property
     name="text">Stuff to show in your proof of concept portlet</property>
  <property name="more_url"/>
  <property name="footer"/>
  <property name="header">Proof of Concept</property>
  <property name="omit_border">False</property>
 </assignment>
 </portlets>