html code

have to insert a html code for a chatbot widget
i tried the snippet tool but keep getting errors
what shall i do?
thanks

<div class=”fb-chat-wraper-qwerttefgsd” id=”chat-fb”></div> <script> “use strict”; function chatWidget() { function getCookie(name) { var matches = document.cookie.match(new RegExp(“(?:^|; )” + name.replace(/([.$?*|{}()[]\/+^])/g, ‘\$1’) + “=([^;]*)”));return matches ? decodeURIComponent(matches[1]) : undefined; } var anonymousID = getCookie(“anonymousID”); if (anonymousID) { var chatFb = document.getElementById(‘chat-fb’); var ref = “”; var traits = { anonymousID: anonymousID, payload: ref }; traits = JSON.stringify(traits);traits = btoa(traits); var newRef = ‘base64_’ + traits; var el = document.createElement(‘div’); el.className = ‘fb-customerchat’; el.setAttribute(‘page_id’, 1885401931478880); el.setAttribute(‘ref’, newRef); el.setAttribute(‘theme_color’, ‘#0184ff’); el.setAttribute(‘logged_in_greeting’, ‘Search for products here’); el.setAttribute(‘logged_out_greeting’, ‘Look for products here’); el.setAttribute(‘greeting_dialog_display’, ”); el.setAttribute(‘greeting_dialog_delay’, ”); document.querySelector(‘.fb-chat-wraper-qwerttefgsd’).appendChild(el); FB.XFBML.parse(); } else { var _chatFb = document.getElementById(‘chat-fb’); var _ref = “”; var el = document.createElement(‘div’); el.className = ‘fb-customerchat’; el.setAttribute(‘page_id’, 1885401931478880); el.setAttribute(‘ref’, _ref); el.setAttribute(‘theme_color’, ‘#0184ff’); el.setAttribute(‘logged_in_greeting’, ‘Search for products here’); el.setAttribute(‘logged_out_greeting’, ‘Look for products here’); el.setAttribute(‘greeting_dialog_display’, ”); el.setAttribute(‘greeting_dialog_delay’, ”); document.querySelector(‘.fb-chat-wraper-qwerttefgsd’).appendChild(el); FB.XFBML.parse(); } } window.fbMessengerPlugins = window.fbMessengerPlugins || { init: function () { FB.init({ appId : ‘345027132667121’, autoLogAppEvents : true, xfbml : false, version : ‘v3.0’ }); chatWidget(); }, callable: [] }; window.fbAsyncInit = window.fbAsyncInit || function () { window.fbMessengerPlugins.callable.forEach(function (item) { item(); }); window.fbMessengerPlugins.init(); }; setTimeout(function () { (function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) { return; } js = d.createElement(s); js.id = id; js.src = “https://connect.facebook.net/en_US/sdk/xfbml.customerchat.js”; fjs.parentNode.insertBefore(js, fjs); }(document, ‘script’, ‘facebook-jssdk’)); }, 0); </script>