The medium or means of delivery of the course instance or the mode of study, either as a text label (e.g. "online", "onsite" or "blended"; "synchronous" or "asynchronous"; "full-time" or "part-time") or as a URL reference to a term from a controlled vocabulary (e.g. https://ceds.ed.gov/element/001311#Asynchronous ).
Ожидаемые значения должны быть одного из этих типов
Text
URL
Используется в таких типах
CourseInstance

Schema Version 1.1