Event Broker help us to use vRealize Orchestrator Extensibility when some event will appear in vRealize Automation. We can collect data based on payload and use them in some scripts. To configure and use Event Broker please check. Previous Objective https://vworld.com.pl/objective-5-1-create-and-test-extensibility-functions-through-vrealize-orchestrator/
In Event Broker we can get payload from VM in simple one line script.