Item Classification RefNum/Remark in XSD?

Summary:

Are Item Classification RefNum and Remark covered in XSD?

Content (please ensure you mask any confidential information):

Thanks for adding RefNum and Remark to item classification in upcoming 24A. While waiting and planning, we are just wondering if they are in xsd so that we can integrate those fields for both inbound and outbound.

Version (include the version you are using, if applicable):

24A

Code Snippet (add any code snippets that support your topic, if applicable):