I found this forum thread but it must be for a version prior to 2.0
link text

can this sketch be converted to 2.0?

#include <SPI.h>
#include <MySensor.h>
#include <DHT.h>

#define NUM_SENSORS 2

unsigned long SLEEP_TIME = 3000UL; // Sleep time between reads (in milliseconds)

MySensor gw;
MyMessage tempMssg(0, V_TEMP);
MyMessage humMssg(NUM_SENSORS, V_HUM);

byte tempID[NUM_SENSORS] = {0,1};
byte humID[NUM_SENSORS] = {2,3};


DHT* dht[NUM_SENSORS];
byte sensorPin[NUM_SENSORS] = {3, 4};
float lastTemp[NUM_SENSORS] = {0.0, 0.0};
float lastHum[NUM_SENSORS] = {0.0, 0.0};

boolean metric = true;

void setup()
{
  Serial.begin(9600);
  gw.begin();
  for (int i = 0; i < NUM_SENSORS; i++)
  {
    dht[i] = new DHT;
    dht[i]->setup(sensorPin[i]);
  }

  gw.sendSketchInfo("Humidity", "1.0");
  
  for (int i = 0; i < NUM_SENSORS; i++)
  {
    gw.present(tempID[i], S_TEMP);
    gw.present(humID[i], S_HUM);
  }
  
  metric = gw.getConfig().isMetric;
  Serial.println(F("Setup Complete."));
}

void loop()
{
  for (int i = 0; i < NUM_SENSORS; i++)
  {
    delay(dht[i]->getMinimumSamplingPeriod());
    float temperature = dht[i]->getTemperature();
    if (isnan(temperature))
    {
      Serial.print(F("Failed reading temperature from DHT"));
      Serial.println(i);
    }
    else if (temperature != lastTemp[i])
    {
      lastTemp[i] = temperature;
      if (!metric)
      {
        temperature = dht[i]->toFahrenheit(temperature);
      }
      gw.send(tempMssg.setSensor(i).set(temperature, false));  // no ack
      Serial.print(F("T"));
      Serial.print(i);
      Serial.print(F("= "));
      Serial.println(temperature);
    }
    float humidity = dht[i]->getHumidity();
    if (isnan(humidity)) 
    {
      Serial.print("Failed reading humidity from DHT");
      Serial.println(i);
    } 
    else if (humidity != lastHum[i]) 
    {
      lastHum[i] = humidity;
      gw.send(humMssg.setSensor(i).set(humidity, false));  // no ack
      Serial.print(F("H"));
      Serial.print(i);
      Serial.print(F("= "));
      Serial.println(humidity);
    }
  }
  gw.sleep(SLEEP_TIME); //sleep a bit
}```