My site allows registered users and It would be interesting that users can put their own schedules. But now they can update/delete other’s schedulers. It should be interesting to put a checkbox to allow only users to update/delete own only… you should put in permissions page and only will affect at checked groups.
While there is no full built-in solution for such use-case, if you are using standalone scheduler ( not plugin ), you can achieve similar functionality
Scheduler’s package contains
samples\02_customization\shared_events