<!--Content built using /OpenForum/Javascript/PageBuilder/default-page.builder.js 0.0.7 Gloomy November builder and renderer DefaultRenderer v1.08 2021 Covid release--><ol><li> Create a page /OpenForum/Extensions/{my extension}</li>
<li> Add a file renderer.sjs</li>
<li> Add script to get parameters eg.</li>
<xmp class="panel" of-exclude="true">
var thePageName = extension.getAttribute("pageName");
</xmp>
<li> Check for parameters</li>
<xmp class="panel" of-exclude="true">
if( typeof(thePageName)!="undefined" ) {
	//Do something with thePageName
}
</xmp>
<li> Render some html</li>
<li> Return the html</li>
<xmp class="panel" of-exclude="true">
return myText;
</xmp></ol>