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The owner can then choose to post their own comment which will send a notification email to all other users who have previously posted comments to this same event. In this way the comments functionality can generate a discussion on any given event.
Each role must be granted the relevant permissions in order to comment on their own or another user’s eventIf a user has the permission to view an event, either their own or that of someone else, then it is always possible for them to attach a comment. There are permissions available if you would like to give the user the ability to delete comments.