This object is always present when an event handler is called. From this object you access all of the other objects in the object hierarchy.
An application connecting to an INVOICES module refers to these as "EHI.ModuleName", where the module name is Manager, Scan, Interpret, Verify, Transfer, or Optimize. See The Scan, Interpret, Verify, and Transfer Application objects.
Note: Objects derived from the application object are only available at certain events. Check the event specifications to see which objects are available at a certain event.