title: Google Api Calendar add Attendee
body: <p>i am trying to add an attendee to a existing event using the google calendar api, i am using php, the problem is all existing attendees get an email notification of the updated event, any idea how to send the notification to the new attendee only?</p>
  
  <p>This is possible directly in gmail like this:
  <a href="https://i.stack.imgur.com/X6i2G.png" rel="nofollow noreferrer">enter image description here</a></p>
  
  <p>Any help is appreciated</p>