OptionalredirectURL to redirect the user to after completing the flow.
OptionalreferenceText shown to the user during authentication. Must not contain % or < (max 130 chars).
OptionalrefReference ID returned verbatim in the result and callback.
OptionalrequestRequest the user's registered address.
OptionalrequestRequest the user's email address.
OptionalrequestRequest the user's phone number.
Request body for starting a MitID authentication session.