title: Facebook invite limited number of friends
body: <p>Is it possible to invite only a limited number of friends to an app?</p>
  
  <p>lets say i want the user to be able to invite only 3 friends. is this possible?</p>
  
  <p><a href="http://developers.facebook.com/docs/reference/fbml/request-form/" rel="nofollow">http://developers.facebook.com/docs/reference/fbml/request-form/</a></p>
  
  <p>I m looking at the reference. but i dont see any thing related to limit number of request.</p>
  
  <p>can this be done?</p>