okay sure @arunpatidar 

i got the solution from my end this code only need to write<meta property="testing" contain="${pageProperties.testfield}">

here is my context.xml<?xml version="1.0" encoding="UTF-8"?> <jcr:root xmlns:jcr="http://www.jcp.org/jcr/1.0" xmlns:nt="http://www.jcp.org/jcr/nt/1.0" xmlns:granite="http://www.adobe.com/jcr/granite/1.0" xmlns:cq="http://www.day.com/jcr/cq/1.0" xmlns:sling="http://sling.apache.org/jcr/sling/1.0" ...

.context.xml<?xml version="1.0" encoding="UTF-8"?> <jcr:root xmlns:jcr="http://www.jcp.org/jcr/1.0" xmlns:nt="http://www.jcp.org/jcr/nt/1.0" xmlns:granite="http://www.adobe.com/jcr/granite/1.0" xmlns:cq="http://www.day.com/jcr/cq/1.0" xmlns:sling="http://sling.apache.org/jcr/sling/1.0" jcr:prima...

Hi @arunpatidar   , thank you for the response but when i am trying with below link still not working can you help on this https://aemhints.com/2020/11/02/validating-dialog-value/  i am adding my package here you get it from drive - https://drive.google.com/file/d/1OqW4Xzr2xil53MHr8e5MjyfRpyYbN4XH/v...

slightly code<sly data-sly-use.clientlib ="/libs/granite/sightly/templates/clientlib.html"><sly data-sly-call="${clientlib.js @ categories='videoupload'}"/></sly>js code (function($ , Coral) {"use strict";console.log("------------Clientlibs Loaded-----------");var registry = $(window).adaptTo("found...