StoryBoard pass value between viewcontrollers

ViewController1.m

- (IBAction)passValueButton:(id)sender { //An action method
    [self performSegueWithIdentifier:@"gotoView2" sender:self];
}

#pragma mark handle segue
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    if ([[segue identifier] isEqualToString:@"gotoView2"]) {
        User *user = [[User alloc] init];
        user.name = "Ryan";
        user.age = "26";
        
        ViewController2* viewCtrl2 = segue.destinationViewController;
        //the destination is View 2
        viewCtrl2.user = user;
    }
}

ViewController2.m

- (void)viewDidLoad
{
    [super viewDidLoad];
    NSLog(@"Name : %@", self.user.name);
    NSLog(@"Age : %@", self.user.age);
    
}