Swagger definition 2.0.0 - Property Choice
In SOAP, xsd supports Choice element and one of the element is mandatory.
It seems that the same can be achieved in OAS 3.0 as per documentation
The problem to use OAS 3.0 is lack of tooling sup...
Forum Discussion
Unfortunately, I don't know. I lead the Swagger projects, but not quite involved in SoapUI. Perhaps it'd be better to ask for more information in their forums.
- Thank you RonRatovsky. Understand that.
