Parse.Cloud.afterSave("CandidateVotes", function(request) {
  query = new Parse.Query("CategoryCandidates");
  query.get(request.object.get("candidateID").objectID, {
    success: function(candidate) {
      candidate.increment("votes");
      candidate.save();
    },
    error: function(error) {
    }
  });
});

I2015-09-05T04:18:21.151Z]v15 after_save triggered for CandidateVotes for user 7YfU2ETvb3:
  Input: {"object":{"candidateID":{"__type":"Pointer","className":"CategoryCandidates","objectId":"XcfYPgijtn"},"createdAt":"2015-09-05T04:18:21.150Z","objectId":"sLySF6MvvQ","updatedAt":"2015-09-05T04:18:21.150Z","userID":{"__type":"Pointer","className":"_User","objectId":"7YfU2ETvb3"}}}
  Result: Success