// import required library
const proxyChain = require('proxy-chain');

async function scraper(){
// define your proxy details
const proxyUsername = 'username';
const proxyPassword = 'password';
const ipHost = '167.09.123.305';
const port = '80';
const proxyUrl = `http://${proxyUsername}:${proxyPassword}@${ipHost}:${port}`;
}