int ledPin = D2;

void setup() {
     pinMode(ledPin, OUTPUT);
     digitalWrite(ledPin, LOW);
 
     Particle.function("led", ledControl);
 
}

int ledControl(String command)
{
   
    int blinks = command.toInt();
    int state = LOW;

   // find out the state of the led
   if(command == "HIGH"){
	    for (int x = 1; x <= blinks; x++){
      digitalWrite(ledPin, HIGH);
      delay(500);
      
      digitalWrite(ledPin, LOW);
      delay(500);
   }

}