Step 2: Set up Apple Calendar to sync with your Google Calendar.
If you need to see your Google Calendar data in both Apple Calendar and in Informant (or if, for instance, you want to use Apple Data Detectors for calendar data but still manage your calendar data inside Informant), then you can set up your Apple Calendar to sync with Google and then you can manage your Apple Calendar data from within Informant. Informant for macOS can access your native Apple Calendar data on your Mac. Option 2: Setup Your Google Calendar on your Mac Step 3: Setup Google Calendar Account within Informant Step 1: Download & Install Informant for macOS
Using Informant for macOS and Informant Sync Service Option 1: Setup Your Google Calendar on your Mac