EAttribute represents an attribute which has a name and a type. EReference represents one end of an association between two classes. Eclipse Uml How To Install' title='Eclipse Uml How To Install' />It has flags to indicate if it represents a containment and a reference class to which it points. EData. Type represents the type of an attribute, e. Date. The. shows a root object representing the whole. This model has. children which represent the. You can create a graphical representation of an existing ecore model via the context menu of an. CTx.png' alt='Eclipse Uml How To Install' title='Eclipse Uml How To Install' />Drag to Install Drag to your running Eclipse workspace. Requires Eclipse Marketplace Client.