getSubject method Null safety

String getSubject(
  1. int index

Maps the custom appointments subject to the Appointment.

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

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

See also: Appointment.subject

 DateTime getSubject(int index) {
   return appointments[index].title;


String getSubject(int index) => '';