Specifications

AQL For discussions on the openEHR Archetype Query Language (AQL) specification. Please FORMAT your queries as MULTI-LINE! RM Discussions on the Reference Model (RM) specifications, including EHR model, Demographics, data types. Entity/demographics Discussions about openEHR Demographics and Entity models and more generally MPIs & similar. Terminology Discussions on terminology use / interface / bindings in openEHR. Task Planning/GDL Use this category for discussing the Task Planning and related specifications, as well as the Guideline Definition Language (GDL). ITS Discussions on any of the Implementation Technology Specifications, i.e. derivatives from the abstract specs, including REST APIs, XSD, JSON, and HL7 FHIR interfaces. ADL Discussions on the openEHR ‘AM’ component, i.e. any of the Archetype or Template specifications. SM For discussions of the openEHR Service Model (SM). BMM/Expressions Discussions on BMM and EL specifications.

Topic	Replies	Views	Activity
About the Specifications category Specifications	0	2348	26 October 2019
Terminology_id name list Specifications	43	227	30 July 2025
DEMOGRAPHIC model: does it make sense to have contacts and identities for ROLE? Specifications demographics	10	603	30 July 2025
OperationalTemplate XML Schemas Specifications opt , schema	7	309	29 July 2025
Is it possible to follow a link in AQL? AQL links , aql	25	119	26 July 2025
Does AQL support regular expressions in comparison operators? AQL cdr , aql	1	30	17 July 2025
The good, the bad and the "Wat?" of current simplified FLAT/SimSDT openEHR exchange format ITS sdt , flat	43	1350	25 June 2025
AQL querying on ISM and Careflow Steps AQL	4	553	21 June 2025
Where are ‘description’ and ‘comment’ defined in the spec? Specifications	3	20	19 June 2025
Natural language based FLAT format and long container/element names ITS archetype	21	146	30 May 2025
How to record no change in a parameter (height or weight for example)? Specifications	11	122	22 May 2025
Missing constraints in JSON schemas ITS	0	16	22 May 2025
Remove DV_QUANTITY.property attribute in BMM files BMM/Expressions	12	49	9 May 2025
AQL issue with Same cluster used in multiple archetypes in the same template in version 2.0 AQL ehrbase , aql , archetype , template	5	86	9 May 2025
Can a VERSION belong to multiple VERSIONED_OBJECT containers RM	17	154	6 May 2025
Attestation 'Request' RM	8	854	24 April 2025
AOM2 plans on expression language ADL	5	60	21 April 2025
JSON Schema and OpenAPI: current state, and how to progress ITS rest-apis , json	42	4101	8 April 2025
Archetype_ID doesn't have namespace RM	3	45	1 April 2025
Demographic model improvements Entity/demographics	47	2396	19 March 2025
Removal of C_ATTRIBUTE existence matches {0} in OPT 2 generation ADL opt	6	56	26 March 2025
Referring to the enclosing composition from ACTION.instruction_details? Specifications	14	218	26 March 2025
Demographics api ITS demographics , rest-apis	1	30	14 March 2025
Generating UML diagrams from specifications Specifications	20	1761	11 March 2025
Determine template version used from a composition RM	16	546	27 February 2025
PATCH for persistent compositions Specifications	11	87	19 February 2025
Markdown in archetype definitions? Specifications archetype	22	132	14 February 2025
openEHR system_id syntax in specification ? ...and in practice (survey)? Specifications	13	169	21 January 2025
Entity IM usage of CLUSTER instead ITEM_STRUCTURE Entity/demographics	2	21	20 January 2025
BMM as JSON BMM/Expressions	4	75	19 January 2025