npm install sdc-pubsub

import {PluginPubSub} from 'sdc-pubsub'

<!-- index.html -->
<script src="./node_modules/sdc-pubsub/dist/sdc-pubsub.js"></script>

// script.js
var pubsub = window.sdcPubSub.PluginPubSub;

// eventsClientId = client id to be used by the event bus, received from query params
// parentUrl = event bus location url for communication, received from query params
// eventsToWaitFor = list of events names that the event hub should wait for their completion.
//                   the client should send an "ACTION_COMPLETED" event to the hub in order to notify the event hub to continue with the flow.
//                   For example: [ “CHECK_IN” ]

var client = new PluginPubSub('eventsClientId, parentUrl, eventsToWaitFor')

client.notify(“READY”)

// When lisetning to event we have to specify the specific event we want to act once it being received.
// eventData.type will hold the event name that was notified by someone else
client.on((eventData,event) => {
      if(eventData.type == ”WINDOW_OUT”) {
          //do logic
      }
   }
)