onChanged property
(void Function(Map<int, ZegoUIKitUser> takenSeats, List<int> untakenSeats)?)
onChanged
getter/setter pair
A callback function that is called when someone gets on/off/switches seat
The takenSeats
parameter is a map that maps the index of each taken seat to the user who is currently sitting in that seat.
The untakenSeats
parameter is a list of the indexes of all untaken seats.
Implementation
void Function(
Map<int, ZegoUIKitUser> takenSeats,
List<int> untakenSeats,
)? onChanged;