EventBusEventName: "before-open" | "after-open" | "before-close" | "after-close" | "zoom-changed" | "frame-index-changed" | "animation-started" | "animation-stopped" | "keydown" | "keyup"

EventBus event name.

Example

viewer.eventBus.on("zoom-changed", function(args) {
console.log("Zoom changed", args);
});