.. comment
	
	all inline tags to start with _how_core_

.. _how_core_top:

.. index:: pair: Core Model; How to

**************************************
How to model the Core Model of STEPLIB
**************************************

.. include:: /pages/common/pageunderconstruction.txt
	:start-line: 3

========
Overview
========

.. figure:: /images/howto/STEParchitectureCore.png 
	:align: right
	:scale: 55%
	
	The STEP Architecture

This page uses a simple example to describe how to model the the Domain Model using SysML in MagicDraw 18.4. 

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	text for this section

==================
Step by Step guide
==================

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	the step-by-step for this section
	
.. contents:: The modelling steps are:
		:local:
		:depth: 1
		:backlinks: top
  
-----------
Preparation
-----------

.. contents:: The modelling steps in this section are:
		:local:

.. important:: Prerequists

	This assumes that the environment is already set up. See |gs md| for more details

--------------
Step 1 (to do)
--------------

^^^^^
Video
^^^^^
	
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.. _core_queryservices:


--------------------------
Add Validation Constraints
--------------------------

.. include:: howtoAddValidationConstraints.txt
	
For details on validating against the constraints see :doc:`howtoValidationConstraints`

--------------------------
Adding Query-like services
--------------------------

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	text of this section
	
	.. image:: /images/common/construction.png
		:width: 100
		:align: left
	
	Current thinking (|TBA|) is that the "query-like" services are modelled as operations on the template.
	
	These should then have constraints defined using :term:`OCL`
	
	C-R-U-D-like services are covered in :ref:`Core Model Services<how_cores_top>`.
	
.. sectionauthor:: |Judith Crockford|

.. include:: /keywords.rst