The authorization URL will open in a browser, ask the user to grant permissions to R.
user_login(redirect_uri = "http://127.0.0.1:48913")a custom redirect_uri to submit as part of the authentication request. This is most useful if the default port is blocked and you wish to specify another port: `redirect_uri = "http://127.0.0.1:44211"`. Note that using `http://localhost` will not work.
After successful authentication the browser will display the message: "Authentication complete. Please close this page and return to R."
Close the browser and return to R.
setup