Extensions Practical Guide

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changes.mady.by.user Jon Zammit

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Overview

Relationships are added in an extension to link a new concept to one of its supertypes, or to specify defining attribute relationships. Note that at least one hierarchical (

Concept
ShowPartsterm
t116680003 |is a|
) relationship is required for each new extension concept. Extension relationships are distributed in a relationship file, which follows the standard RF2 release file format. For more details on the principles and processes for authoring relationships in an extension, please refer to 5.4.4 Authoring Relationships.

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In  below, two rows from the relationship table of the 20170901 US edition are shown. Note that these relationships are used to define the extension concept from the earlier example.

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Please note the following:

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