gistfile1.js

<script type="text/javascript">
        // set up your 
        SortingOfficeConfig = {
            onError: function(message) {
                console.log(message);
            },
            onSuccess: function(data) {
                console.log(data);
            },
            onLoading: function(data) {
                console.log(data);
            }
        };
        (function() {
            var oa = document.createElement('script');
            oa.src = 'https://21ae14e6.ngrok.com/embed.js';
            oa.type = 'text/javascript';
            oa.async = 'true';
            oa.onload = oa.onreadystatechange = function() {
                var rs = this.readyState;
                if (rs && rs != 'complete' && rs != 'loaded') return;
                try { OpenAddresses.SortingOffice.embed(SortingOfficeConfig); } catch (e) {}
            };
            var s = document.getElementsByTagName('script')[0];
            s.parentNode.insertBefore(oa, s);
        })();
    </script>