$.ajax({
                url: endPoint,
                type: 'POST',
                async: false,
                contentType: "application/json; charset=utf-8",
                dataType: "json",
                username: myUsername,
                password: myPassword,
                beforeSend: function (xhr) {
                    xhr.withCredentials = true;
                    xhr.setRequestHeader("Accept", "application/json; odata=verbose");
                }
            });

let url = baseProtocol + username + ":" + password + "@" + baseUrl