gistfile1.txt

    static NSString *identifier = @"RoutePinAnnotation";
    MKPinAnnotationView* pinView = [[MKPinAnnotationView alloc]
                                     initWithAnnotation:annotation reuseIdentifier:identifier] ;
    pinView.animatesDrop=YES;
    pinView.canShowCallout=YES;
    
    
    UIButton* rightButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
    [rightButton setTitle:annotation.title forState:UIControlStateNormal];
    [rightButton addTarget:self
                    action:@selector(goTOMenu_Action:)
          forControlEvents:UIControlEventTouchUpInside];
    pinView.rightCalloutAccessoryView = rightButton;