Is there a way to limit members who can create Team Chat calendar events?
Regular members are restricted from creating events if the host sets the calendar create event permission to "Host Only".
Regular members will be allowed to create calendar events if the permission is set to "All Members".
Permissions can be changed using the steps below.
 
• KakaoTalk > your chatroom > upper right menu (≡) > Chatroom settings (gear icon) > Team settings > Manage calendar settings > "Create Events" permission