title: How to pass value from portal-ext.properties to ilferay-portlet.xml file?
body: <p>I am using liferay.</p>
  
  <blockquote>
    <p>I need to get some variable from portal-ext.properties in
    liferay-portal.xml file. How can I get those values? Can I made some
    my custom java class form where I can get value of some parameter
    there?</p>
  </blockquote>