I have a question about the XML schema for archetypes based on ADL version 1.4

The set of schemas we are using to validate XML archetype exports are 1.0.1
<!-- openEHR Release 1.0.1 OpenehrProfile XML schema -->
<!-- openEHR Release 1.0.1 Archetype  XML schema -->
<!-- openEHR Release 1.0.1 BaseTypes  XML schema -->
ETC..

The issue we are getting is that sometimes an archetype has a <uid> tag. All 
those downloaded from our CKM (ckm.hscic.gov.uk) have this tag, but it's not 
present on all archetypes from other CKMs (which may be why this could be a new 
issue).

The schema is expecting the <uid> tag before the <archetype_id> tag
            <xs:complexType name="ARCHETYPE">
                        <xs:complexContent>
                                    <xs:extension base="AUTHORED_RESOURCE">
                                                <xs:sequence>
                                                            <xs:element 
name="uid" type="HIER_OBJECT_ID" minOccurs="0"/>
                                                            <xs:element 
name="archetype_id" type="ARCHETYPE_ID"/>
                                                            <xs:element 
name="adl_version" type="xs:string" minOccurs="0"/>

However, in the XML instances, the <uid> (if present) appears after the 
<adl_version> tag
            <archetype_id>
                        
<value>openEHR-EHR-OBSERVATION.newborn_birth_details.v0</value>
            </archetype_id>
            <adl_version>1.4</adl_version>
            <uid>7f716e0e-5fa8-4fec-942d-208764409b07</uid>

Further, changing the schema to change the expected tag order to match the XML 
instances shows up a further issue in that the format of <uid> (according to 
the schema) should use a <value> tag like this
            <uid>
                        <value>7f716e0e-5fa8-4fec-942d-208764409b07</value>
            </uid>

Are we using an out of date set of schema? Or are these known issues? Have 
people corrected the schema for their own use (if so could I have a copy 
please)?

Kind regards

Dave Barnet
Interoperability Lead
Interoperability Specifications
Health & Social Care Information Centre
[email protected]<mailto:[email protected]>
www.hscic.gov.uk<http://www.hscic.gov.uk>


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