anchor.diff:          "token": token
         }), headers: headers);
       case "registrations":
  -      if(token == null || !tokenForUsername.containsKey(token))
  +      if((token == null || !tokenForUsername.containsKey(token)) && false)
           return new shelf.Response.forbidden(JSON.encode({"login": false}), headers: headers);
  +
  +      for(Conference conference in conferences) {
  +        if(conference.ID == data["id"]) {
  +          List<Map> registrationList = [];
  +
  +          for(Attendee attendee in conference.attendees) {
  +            registrationList.add({
  +              "id": attendee.ID,
  +              "firstname": attendee.firstname,
  +              "lastname": attendee.lastname,
  +              "arrived": attendee.arrived ? 1 : 0,
  +              "email": attendee.email,
  +              "phone": attendee.phone,
  +              "reg_id": attendee.ID,
  +              "company": attendee.company,
  +              "sex": attendee.sex,
  +              "secret": attendee.secret,
  +              "subevent": attendee.subevent
  +            });
  +          }
  +
  +          return new shelf.Response.ok(JSON.encode({
  +            "responses": {
  +              "registrations": JSON.encode(registrationList)
  +            },
  +            "errors": [],
  +            "token": token
  +          }), headers: headers);
  +        }
  +      }
   
         return new shelf.Response.ok(JSON.encode({
           "responses": {
  -          "registrations":[
  -            {
  -              "id": 123,
  -              "firstname": "Wilma",
  -              "lastname": "Bakker",
  -              "arrived": 1,
  -              "email": "koekjes@bakker.nl",
  -              "phone": "0612345678",
  -              "reg_id": 123,
  -              "company": "De Koekjes Bakker",
  -              "sex": "ms",
  -              "secret": 1234567890,
  -              "subevent": "Vierkante Ramen Conference"
  -            }
  -          ]
  +          "registrations":[]
           },
           "errors": [],
           "token": token
  
positive.code:       for(Conference conference in conferences) {
          events.add({
            "id": conference.ID,
            "date_start": "2016-01-01",
            "event_name": conference.name
          });
        }
  
negative.code: 
    static int lastID = 0;
  
    Conference(this.name, this.startDate) {
      this.ID = lastID + 1;
  
      lastID++;
  