At the moment when either a Requester or a CC replies to a ticket, the same notification is triggered: Email Notifications > Agent notifications > Requester Replies to Ticket
I believe that a new 'CC Replies to Ticket' notification should be added.
I also believe that at least 2 extra placeholders should be available for this notification (for 'CC name' and 'CC email') with more welcome (ie for 'CC phone', 'CC company' etc)

