getEndTime method Null safety

DateTime getEndTime(
  1. int index

Maps the custom appointments end time to the Appointment.

Allows to set the custom appointments corresponding property to the Appointment's end time property.

Note: It is applicable only when the custom appointments set to the appointments.

It is mandatory to override this method to set custom appointments collection to the appointments.

See also: Appointment.endTime

 DateTime getEndTime(int index) {
   return appointments[index].to;


DateTime getEndTime(int index) =>;