This is Kactus2 extension
Each system view has a mandatory name. Display
name is optional and typically a few words providing a more
detailed and/or user-friendly name for display. Optional
description contains a textual description of the
interface.
Hierarchy reference is the VLNV of system design which also a Kactus-extension. It captures the mapping informationand is saved in its own XML file. You can type the VLNV or drag-drop a SW design from the library. Note that a system view is always hierarchical, unlike regular view.