Servo with blynk

#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <Servo.h>

#define BLYNK_PRINT Serial

Servo servo;
char auth[] = "***********************"; // token on gmail
char ssid[] = "*************"; //Wifi name
char pswd[] = "*************"; //Password


void setup() {
  Serial.begin(9600);
  Blynk.begin(auth,ssid,pswd);
  servo.attach(2);
}

void loop() {
  Blynk.run();
}
BLYNK_WRITE(V1) {
  servo.write(param.asInt());
}