code: function UserStory (params) {
    var self = this
    if (!(self instanceof UserStory)) return new UserStory(params)
  
    var extras = params['story_extras']
    var storyNotes = params['story_notes']
  
    self.screenshotCount = extras['screenshot_count'] | 0
    self.viewCount = extras['view_count'] | 0
  
    self.notes = (storyNotes || [ ]).map(function (note) {
      return new StoryNote(note)
    })
  }
docs: Snapchat UserStory
  
  @class
  @param {Object} params