Generator ON/OFF

Start from beginning


void setup() {

  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(PB7, OUTPUT);
}

void loop() {
  digitalWrite(LED_BUILTIN, HIGH);
  delay(1000);
  digitalWrite(LED_BUILTIN, LOW);
  delay(1000);

  ////////////////////
  if (digitalRead(LED_BUILTIN) == HIGH)
  {
    digitalWrite(PB7, HIGH);
  }
  else
  {
    digitalWrite(PB7, LOW);
  }
  /////////
}

this part is not working ?

  ////////////////////
  if (digitalRead(LED_BUILTIN) == HIGH)
  {
    digitalWrite(PB7, HIGH);
  }
  else
  {
    digitalWrite(PB7, LOW);
  }
  /////////