# [ref_impl_eiffel] [907] Add C_ARCHETYPE_ROOT to model, remove ARCHETYPE_EXTERNAL_REF.

**Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161)
**Created:** 2010-05-12 10:50 UTC
**Views:** 2
**Replies:** 0
**URL:** https://discourse.openehr.org/t/ref-impl-eiffel-907-add-c-archetype-root-to-model-remove-archetype-external-ref/13378

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## Post #1 by @svn1

Revision: 907
Author:   thomas\.beale
Log Message:

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**Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-907-add-c-archetype-root-to-model-remove-archetype-external-ref/13378
**Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-907-add-c-archetype-root-to-model-remove-archetype-external-ref/13378