The first time you try to access the google API, you will be redirected to a permission screen from Google. Events2HVAC is requesting permission to view calendars and manage calendar settings for your domain. Google APIs use Oauth2 to authenticate users and applications.
A Google administrator of your
domain must login to Google and select the “Allow” button to give Events2HVAC
permission to operate.
1. To view your connected apps, open your Google account settings. Under Sign-in & Security click on Connected apps & sites.
2.
To change settings or revoke access, click on Manage Apps.
3.
Click on Events2HVAC.
4.
If you wish to revoke access for Events2HVAC, click Remove
Warning: Revoking access will cause schedule retrieval to fail in the Events2HVAC application resulting in missed HVAC commands after the backup schedule data is exhausted.