# [ref_impl_eiffel] [1549] Finalise separation technical package structure from 'model' structure, where a 'model' is a grouping construct used to define the namespace for archetypes within a issuer . **Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161) **Created:** 2011-08-22 16:16 UTC **Views:** 2 **Replies:** 0 **URL:** https://discourse.openehr.org/t/ref-impl-eiffel-1549-finalise-separation-technical-package-structure-from-model-structure-where-a-model-is-a-grouping-construct-used-to-define-the-namespace-for-archetypes-within-a-issuer/14122 --- ## Post #1 by @svn1 Revision: 1549 Author: thomas\.beale Log Message: --- **Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-1549-finalise-separation-technical-package-structure-from-model-structure-where-a-model-is-a-grouping-construct-used-to-define-the-namespace-for-archetypes-within-a-issuer/14122 **Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-1549-finalise-separation-technical-package-structure-from-model-structure-where-a-model-is-a-grouping-construct-used-to-define-the-namespace-for-archetypes-within-a-issuer/14122