title: Add Contacts as Favourite in iOS
body: <p>I have a requirement where I need to make contacts favorite in the app itself. I have shown the contact book using the following code:</p>
  
  <pre><code>    CNContactPickerViewController *cVC = [[CNContactPickerViewController alloc] init];
      [self.view.window.rootViewController presentViewController:cVC animated:YES completion:nil];
  </code></pre>
  
  <p>Now I can see the contacts details but my question is how I can edit this contacts,Add this contacts as favourites.</p>