Groups are a convenient way to organize users who all need the same access to the calendar. Instead of setting up the same customized access for each of these users, you can create and add those individual users to the group.
⚠️ Important security note: A user who is part of a group will have the calendar access which is assigned to the group. If the group has Modify permission for all sub-calendars, every user in the group will have that access level.
If a user has one level of permission and is put in a group with a different permission level, the higher level of permission takes precedence.
Only the calendar administrator can manage users and groups. Once you've created a group, there are two ways to add users.
Assign a group in a user's settings:
Add users in the group settings: