int led1 = D2;


void setup() {
    // Configure the pins to be outputs
    pinMode(led1, OUTPUT);

   
      // Initialize both the LEDs to be OFF
    digitalWrite(led1, LOW);

   //Register our Particle function here
    Particle.function("led1", led1Control);

}


void loop() {
    
}

int ledControl(String command)
{
  int state = LOW;

  // find out the state of the led
  if(command == "HIGH"){
	   state = HIGH;
  }else if(command == "LOW"){ 
	   state = LOW;
  }else{
	   return -1;
  }
  // write to the appropriate pin
  digitalWrite(led1, state);
  return 1;
}