oneSignal.js

sendNotification = function(data) {
  var headers = {
    "Content-Type": "application/json; charset=utf-8",
    Authorization: "Basic NzkwODdjM2YtODMxNi00ODMyLTgwMWEtZTVkOTcyMzg4ZWRi"
  };

  var options = {
    host: "onesignal.com",
    port: 443,
    path: "/api/v1/notifications",
    method: "POST",
    headers: headers
  };

  var https = require("https");
  var req = https.request(options, function(res) {
    res.on("data", function(data) {
      console.log("Response:");
      console.log(JSON.parse(data));
    });
  });

  req.on("error", function(e) {
    console.log("ERROR:");
    console.log(e);
  });

  req.write(JSON.stringify(data));
  req.end();
};

var message = {
  app_id: "b145b13a-567b-4234-a5e1-ea7dd9de7151",
  included_segments: ["All"],
  contents: { en: "English Message" },
  data: { metadataId: "iph", pageId: "informes" }
};

sendNotification(message);