function getParameterByName(name, url = window.location.href) {
name = name.replace(/[\[\]]/g, '\\$&');
var regex = new RegExp('[?&]' + name + '(=([^]*)|&|#|$)'),
results = regex.exec(url);
if (!results) return null;
if (!results[2]) return '';
return decodeURIComponent(results[2].replace(/\+/g, ' '));
}
window.onload = function() {
var clientId = getParameterByName('clientId');
if (clientId) {
var appsScriptUrl = 'https://script.google.com/macros/s/AKfycbwm28toLMOpO0nshQwETX1_EopejnoN7xKmeaHdLMmyKxI7-2ZKHvGbSfVJtncCN18sZw/exec?clientId=' + clientId; // Replace with your web app URL.
document.getElementById('appsScriptIframe').src = appsScriptUrl;
}
};