let data;
            const dataPromise = fetch(url) // Call the fetch function passing the url of the API as a parameter
              .then((result) => {
                  data = result.json();
                })
              .catch((err) => {
                // This is where you run code if the server returns any errors
                console.log("logon error " + err);
                // this.util.log("logon error " + error);
                if (callback) { callback(null, err); }
                this.util.raiseEvent("onlogon", {user: null});
              });
            data = Promise.resolve(dataPromise);