// name the pins
int ledPin = D2;
int Val = 0;

void setup()
{
    // Configure the pins to be outputs
    pinMode(ledPin, OUTPUT);
    // Initialize both the LEDs to be OFF
    digitalWrite(ledPin, LOW);
    Particle.function("led", ledControl);
    
}

void loop()
{
    
}

int ledControl(String cntblink)
{
   Val = cntblink.toInt(); //Use toInt function to turn string command into Int
   
   if(Val <= 0)
       {
        return -1;
       }

    else
    {
    for (int i = 0; i < Val; i++)
        {
        digitalWrite( ledPin, HIGH );
        delay( 500 );
        digitalWrite( ledPin, LOW );
        delay( 500 );
        }
    }
   
   // write to the appropriate pin
   digitalWrite(ledPin, LOW);
   return 1;
}