Hi @goyalkritika
You can use the below JS to trigger when you click on 'done' button.
(function(document, $, ns) {
"use strict";
// when dialog gets injected
$(document).on("dialog-ready foundation-contentloaded", function(e) {
var ui = $(window).adaptTo("foundation-ui");
var dialog = document.querySelector('form.cq-dialog coral-dialog-content');
$(document).on("click", ".cq-dialog-submit", function(e) {
//write your own JS logic
});
});
})(document, Granite.$, Granite.author);