Adding Multiple Relay to Home Assistant

[Artur Csepregi]

Hello

In struggling with adding more relays to Home assistant, till now only this sketch was working.
but wit it I can add only 1 Relay, pleas help me to add more relays

/*

• Documentation: http://www.mysensors.org
• Support Forum: http://forum.mysensors.org
• http://www.mysensors.org/build/relay
  */

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

#define SN "Relay"
#define SV "1.0"
#define CHILD_ID 1
#define RELAY_PIN 3

MySensor gw;
MyMessage msgRelay(CHILD_ID, V_STATUS);

void setup()
{
gw.begin(incomingMessage);
gw.sendSketchInfo(SN, SV);
// Initialize the digital pin as an output.
pinMode(RELAY_PIN, OUTPUT);
gw.present(CHILD_ID, S_BINARY);
gw.send(msgRelay.set(0));
}

void loop()
{
gw.process();
}

void incomingMessage(const MyMessage &message)
{
if (message.type == V_STATUS) {
// Change relay state.
digitalWrite(RELAY_PIN, message.getBool() ? 1 : 0);
gw.send(msgRelay.set(message.getBool() ? 1 : 0));
}
}