This attribute must be applied on the manager`s methods that are handling process events. All the methods must accept WorkflowExecutionContext as an input argument

A manager interface must be marked with this attribute

It ensures every new workflow is stored to the storage and the context of engine has the associated WorkflowInstanceId

Registry of workflow event handlers for on a WorkflowEventsManager

All the events a manage can handle an events from wither process or other managers.