How turn posting description as required for Redwood Pages

Summary:

We need to have Posting description field as required for Job Requisition, Redwood Pages

Content (please ensure you mask any confidential information):

This field is required in Non-Redwood version, we need to to make sure which is the posting description field that we need to mark as required for Posting Description field Internal and External

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

25B

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

List of all Posting Description fields, we need to know which one correspond the screen above.