code: public Hash requestSms(int userId, Map<String, String> options) throws AuthyException {
          MapToResponse opt = new MapToResponse(options);
          final Response response = this.get(SMS_PATH + Integer.toString(userId), opt);
          return instanceFromJson(response.getStatus(), response.getBody());
      }
docs: Send token via sms to a user with some options defined.
  
  @param userId
  @param options
  @return Hash instance with API's response.