The purpose of the ShowPickList is to show the details of an individual Picking List from an ERP system. This BOD may be sent in response to a GetPickList or it may be initiated upon some business event. Is where the information that the BOD message carries is provided, in this case ShowPickList. The information consists of a Verb and one or more Nouns. The verb (Show) indicates the action to be performed on the Noun (PickList).