let chatType = config['site.config.contact_methods.reactive.chat.type']; if(chatType && chatType[0] === "VERGIC") { let s = document.createElement('script'); s.src = config['site.config.contact_methods.reactive.chat.vergic.js.server.uri'][0] + config['site.config.contact_methods.reactive.chat.vergic.js.customer.key'][0] + '/engage.js'; document.getElementsByTagName('body')[0].appendChild(s); }