Thanks Vic! I do use AuthSub for my gadget (see below). I will check out OAuth. You cannot access the data unless you are logged into our gapps domain. So that works well. We want to integrate an external address source with gmail - from a spreadsheet. It would not work well to populate contacts - in our case. I also need a webapp for users to create/update/retrieve and delete the spreadsheet data, so that's why the questions.
I was wondering about swapping out spreadsheet stuff for the calendar example, but didn't want to waste the time guessing. I'll see if I can figure it out! <https://lh3.googleusercontent.com/_xmSxu_n9cpw/TT3BcklP3kI/AAAAAAAAAfY/MB5RMKs2oQE/GrayedNAB.png> Appreciate your response, Karl :)
