어린왕자와 여우

[[NSNotificationCenter defaultCenter] addObserver:self

                                             selector:@selector(eventFunction:)

                                                 name:@"EventName"

                                               object:nil];

- (void) eventFunction: (NSNotification *) notification

{

    // 이벤트가 발생했을 때 수행할 코드

}

[[NSNotificationCenter defaultCenter] postNotificationName:@"EventName"

                                                                object:self

                                                              userInfo:nil];