googleCalendar.updateCalendarListEntry changes only the connected user’s view of a calendar.
Example
Inputs
Providecalendar and at least one setting. backgroundColor and foregroundColor accept #RRGGBB. Other settings include hidden, selected, summaryOverride, up to five defaultReminders objects with method and minutes, or replacement notifications using the types listed on Add calendar to list. Second argument { account } selects the Google Account.
Output
Returns the updated calendar-listCalendar. Arrays replace their respective settings. Pass [] to remove all custom reminders or notifications.