If you use an “On Premise / Cloud Installation”, our SDK is available to you. See section Server to Client Communication for further details on this topic.
The iframe sends some message events to its parent’s window object. To receive such events, you need to listen to JS ‘message’ events. Please note that this is not a Kudo specific mechanism but the native JavaScript message event is used so potentially you receive message events from other origin than Kudo iframe.
...