Does anyone know why I can't Register a Meeting Registrant by this API: /v1/meetings/{meetingId}/registrantsAlthough with the same input meetingId, I can do it manually in the user hub:Thank you all.  

I'm doing migration work from the classic event, but there are two APIs that make I'm confused because they don't have corresponding defined API from XML to REST API on the Webex homepageevent.LstsummaryProgram: Retrieves a list of programs that are ...