Open the following link in your browser: https://accounts.google.com/o/oauth2/auth?response_type=code&access_type=offline&client_id=151894424391-l9ks5lh6u2850n10nm1t2qucqiut0tlk.apps.googleusercontent.com&redirect_uri=https%3A%2F%2Fdevelopers.google.com%2Foauthplayground%2F&state&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fcalendar.readonly&prompt=select_account%20consent Enter verification code: