title: Attendees change event office 365 outlook add-in
body: <p>I want to capture the change in attendees list of an appointment item inside my office 365 outlook addin. Whenever there is an attendee added / removed, I want to run a function inside my addin. </p>
  
  <p><a href="https://findtime.microsoft.com" rel="nofollow">Here</a>
  is one add-in that does it simple and nice. But I'm not able to find how to capture the change. </p>