Start here, click Auth
Open's up webviewer and goes to the web app url for authorisation/permissions. (if user is not logged in to their google account in the browser, they will be asked to do so first.
Select google account that will use the app
Click Allow in order to give the web app permission
Web App then completes the request made in the url sent, and returns this page. Now user clicks the Close button.
What you see if you look in your Google Account Permissions Page
After clicking Sign In (at the bottom) user needs to sign into their google account inside the app.
Select the same account as used in the giving of permission
Enter password and press Next
Now shows user signed in. Most users will see this on their computers if signed into Google.
Clicking on the Auth button (at the bottom) should return the success page. Then click on Done
Finally we are in the app! These are images from the demo app
The Drive Functions
The Sheets Functions.