MODAF is the UK Ministry of Defence Architecture Framework. It is based on the UPDM (Unified Profile for DoDAF and MODAF), defined at the OMG. The MODAF module is based on the analysis of the UPDM specification version 2.1 which provides support for MODAF 1.2. It requires the UPDM module which provides the necessary stereotypes to work with the MODAF module.

The current documentation describes how to use Modelio with this MODAF extension. For further information on how to use Modelio, the principal Modelio user guide should be consulted.

A MODAF model is organized in Views which are divided into seven Viewpoints: