For the team calendar macro, I need to be able to lock the event when a person is it.
For example, lets say user X creates an event A on the calendar and saves it.
When user Y clicks on the edit link in the calendar, another user X must not be able to enter the edit window of the event. Or at least, a message must be shown to X when he tries to edit the event.
I believe this link about Team Calendars restrictions can be useful for you.
Also, there's a similar discussion on this page:
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs