title: How to get notified in contact changed event in IOS?
body: <p>I wants to get notified when there is insert/update event to contacts of iPhone.</p>
  
  <p>Is it possible to get notification to my app regarding specific contact changed event happened ?</p>
  
  <p>Just a newbie... for IOS Swift.</p>
  
  <p>I am not expecting full source code. Just wants to know whether its possible or not and also hint.</p>
  
  <p>Thanks in advance.</p>