Hello Aaron,
you will find a short list of “Unsupported Elements and Attributes compared to full XML Schema” in the Tamino documentation:
...\Software AG\Tamino\Tamino 4.1.4.1\Documentation\tslref\nsxmlschema.htm
Unfortunately, xs:keyref is not supported by Tamino at the moment.
Greetings,
Trevor.
#Tamino#API-Management#webMethods