26A, Possible to add DFF during applying in Opportunity Marketplace?

Summary:

For Internal Applicant, during applying a job in Opportunity Marketplace, we have a requirement to display Union Seniority Hours.

Is this possible? Perhaps DFF or EFF?

Content (please ensure you mask any confidential information):

In Opportunity Marketplace, apply for a job.

Here are the questionnaires and section for Attachments.

Is it possible to add DFF or EFF or some sort of instruction or field so that I can try to display seniority hours?

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

26A