timer.js

 proxyTimer = async function (delay,callback) {
  return new Promise((resolve, reject) => {
    var timeleft = delay;
    var proxyTimer = setInterval(function(){
      timeleft--;
      if(timeleft <= 0){
        clearInterval(proxyTimer)
        callback()
      }else{
        resolve(true)
      }      
    },1000);
  })

}

//Calling it
proxy_time = 600 //10min
 if(proxy_time){
    await proxyTimer(proxy_time,async function(){
    console.log('Timer Exceeded');
    //Async function that makes a server call
	  await helpers.endSession(webdomain, instance_id,'', 'Timer Exceeded')
      .then(function(){
        return process.exit();
      })
    })
  }