var express = require('express'); var expressWs = require('..') var expressWs = expressWs(express()); var app = expressWs.app; app.ws('/a', function(ws, req) { }); var aWss = expressWs.getWss('/a'); app.ws('/b', function(ws, req) { }); setInterval(function () { aWss.clients.forEach(function (client) { client.send('hello'); }); }, 5000); app.listen(3000)