getLocation method Null safety

String? getLocation(
  1. int index

Maps the custom appointments location to the Appointment.

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

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

See also: Appointment.location.

 DateTime getLocation(int index) {
   return appointments![index].place;


String? getLocation(int index) => null;