Using “share_open_graph” Facebook UI to create dynamic share dialog for quiz results

Question

Summary: My problem is getting FB.ui, via the share_open_graph method, to create a customised share dialog that contain

Answer 1

the object must be, well, an object

FB.ui({
  method: 'share_open_graph',
  action_type: 'matchadviceuk:share',
  action_properties: JSON.stringify({
    'quiz': {
       'og:type': 'matchadviceuk:quiz',
       'og:url': "http://advice.uk.match.com/quizzes/which-european-are-you-destined-date",
       'og:title': "I got "+response.country+"! Which European are you destined to date?",
       'og:description': response.body,
       'og:image': response.image
    }
  })
}, function(){});