The bubble property specifies the DayPilot.Bubble object that will be used to show event details on hover.
new DayPilot.Bubble()
Simple bubble that displays DayPilot.Event.data.bubbleHtml value:
dp.bubble = new DayPilot.Bubble();
Bubble with dynamically loaded content:
dp.bubble = new DayPilot.Bubble({ onLoad: function(args) { var ev = args.source; args.async = true; // notify manually using .loaded() // simulating slow server-side load setTimeout(function() { args.html = "testing bubble for: <br>" + ev.text(); args.loaded(); }, 500); } });