Weather light

int led1 = D2;
int led2 = D1;

void setup() {
 pinMode(led1, OUTPUT);
 pinMode(led2, OUTPUT);
  Particle.function("led",ledToggle);
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
}

void loop() {
}
int ledToggle(String command) {
    if (command == "Hot") {
     digitalWrite(led1, HIGH);
     digitalWrite(led2, LOW);
     return 2;
  } 
  else if (command == "Cold") {
  digitalWrite(led1, LOW);
  digitalWrite(led2, HIGH);
  return 1;
  } 
    else if (command == "Off") {
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  return 0;
  } 
  else {
      return -1;
  }
}