Options Control - Open Answer with Union and custom label for the open question, defined with [optionsctrl.ftxlabel] - In this example the user can type an open answer, the type is an union - Tygn1wyVHz
Test Union of Enumerations Restriction - enum is (wrongly) expanded however extra value "unnown" is not valid, here must use optionsctrl.freetext=false (or omit it) since cannot have open answer