Kerry The archetype editor sets this constraint for dv_date_time using a syntax for the purpose.
At present the other reference model classes are not available in the same manner - that is they do not impinge directly on the data. Generally, one assumes that in the reference model people will use the actual classes specified. I am sure Tom will have something to say on the matter! Cheers, Sam Heard - If you have any questions about using this list, please send a message to d.lloyd at openehr.org
