1. Create a page /OpenForum/Extensions/{my extension}
  2. Add a file renderer.sjs
  3. Add script to get parameters eg.
    4. var thePageName = extension.getAttribute("pageName");
  4. Check for parameters
    5. if( typeof(thePageName)!="undefined" ) { //Do something with thePageName }
  5. Render some html
  6. Return the html
    7. return myText;