In a recent update, we've added new powerful control for event fields: You can now set the visibility for all event fields.
Choose the visibility level (All users or Users with modify access) for all default event fields (except Title and Calendar) as well as all custom event fields.
The visibility control can be set by the calendar administrator:
The visibility control for event fields applies across all devices (browsers, the Teamup app, mobile browsers).
This control over visibility will allow for more customized workflows and safe information management. Give it a try!