def init(cls, typ, class2type):
        """
        Defines custom fields in the value factory so that the importer can find them
        @param typ
        @param class2type
        """
        field = typ.getField(cls.FIELD_NAME)
        class2type.put( StrStrHashMap , typ )
        typ.setComponentType( StrStrHashMap )
        typ.setImportExportHelper( StrStrHashMapSerializer(typ, field))
        typ.putValidator(field, Validator_object.get(1))
        typ.lock()
def step_impl(context):
    data = json.loads(context.text)
    receiver_name = re.match(r"\<(\w+)'s id\>", data['receiver']).group(1)
    data['receiver'] = context.users[receiver_name]['id']
    context.request.add_data(data)