To set User Permissions to make changes to events
Login to your admin account and go to Google Calendar.
Go to settings.
Click on Add calendar.
Click on Browse resources.
Select and mark the room resource.
Click on the room resource (Settings for other calendars).
Open the Share with specific people item.
Click on ADD PEOPLE.
Enable your service account e.g. meetingroomapp@domain.com to Make changes to events for each room.
