const pm2 = require('../..') console.log(pm2) pm2.connect(function() { pm2.sendDataToProcessId({ // id of procces from "pm2 list" command or from pm2.list(errback) method id : '1', // process:msg will be send as 'message' on target process type : 'process:msg', // Data to be sent data : { some : 'data' }, topic: true }, function(err, res) { }) }) // Listen to messages from application pm2.launchBus(function(err, pm2_bus) { pm2_bus.on('process:msg', function(packet) { console.log(packet) }) })