ios - How do I access the current annotation's NSString when in "prepareForSegue"? -

pin .h

#import <foundation/foundation.h> @import mapkit;  @interface pin : nsobject <mkannotation> {  nsstring *time; cllocationcoordinate2d coordinate; }  @property (nonatomic, copy)   nsstring *time; @property (nonatomic, assign) cllocationcoordinate2d coordinate;  @end  pin.m  #import "pin.h"  @implementation pin  @synthesize coordinate; @synthesize time; @end 

how set pin in view

pin *newpin = [[pin alloc]init];             newpin.coordinate = usercoordinate;      nsdate *currenttime = [nsdate date];     nsdateformatter *dateformatter = [[nsdateformatter alloc] init];     [dateformatter setdateformat:@"mm-dd-yyy hh:mm a"];     nsstring *resultstring = [dateformatter stringfromdate: currenttime];     newpin.time = resultstring;     [self.mapview addannotation:newpin]; 

what happens when press callout

- (void)mapview:(mkmapview *)mapview annotationview:(mkannotationview *)view calloutaccessorycontroltapped:(uicontrol *)control {     [self performseguewithidentifier:@"details" sender:view]; }  - (void)prepareforsegue:(uistoryboardsegue *)segue sender:(id)sender {       if ([segue.identifier isequaltostring:@"details"])      {         infoviewcontroller *vc = segue.destinationviewcontroller;      } } 

now in second view controller accessed identifier "details", have nsstring hold time of specific pin. how can pass current pin's time nsstring next view's nsstring?

note: there multiple pins set @ different times on map , have tried passing data annotations detail view ios using storyboard , tried use

pin *an = (pin *)mapview.annotation; 

but lets me used array mapview annotation

pin *an = (pin *)mapview.annotations; 

please help!

you can access annotation via annotation property of annotation view , pass sender performseguewithidentifier so

- (void)mapview:(mkmapview *)mapview annotationview:(mkannotationview *)view calloutaccessorycontroltapped:(uicontrol *)control {     [self performseguewithidentifier:@"details" sender:view.annotation]; }  - (void)prepareforsegue:(uistoryboardsegue *)segue sender:(id)sender {       if ([segue.identifier isequaltostring:@"details"])      {         pin *mypin=(pin *)sender;         infoviewcontroller *vc = segue.destinationviewcontroller;         vc.time=mypin.time;      } }