Please note : This help page is not for the latest version of Enterprise Architect. The latest help can be found here.

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Download the NIEM Reference Model

The NIEM 4 Reference Model is a UML representation of the content of the NIEM 4 Release Package XSD files.

It contains Packages representing NIEM-core, as well as the various Domain schemas included in the NIEM 4 release, their associated Codes lists and other associated Packages. The NIEM 4 reference model is available for download into your Enterprise Architect project, from the Sparx Systems Reusable Asset Server. 

Earlier versions of NIEM reference models are also available for download from the  Sparx Systems Reusable Asset Server.


Display the Model Wizard window using any of the methods outlined here.

In the Model Wizard window, select the 'Model Patterns' tab. In the 'Perspective' panel, select 'NIEM 3 and 4'.

Select a Reference Model, MPD Types and Starter Model, as required.


Design > Model > Add > Model Wizard

Context Menu

Right-click on Package | Add a Model Using Wizard

Keyboard Shortcuts



Browser window caption bar menu | New Model from Pattern