Pre-requisites to create Descriptive Flexfield (DFF) in JSP page in R12

Enable 5 basic system profile values (Yes) to enable personalization
link in JSP pages.

Create Seeded Personalizations
FND: Personalization Region Link Enabled
FND: Personalization Seeding Mode
HR: Enable User Personalization
Personalize Self-Service Defn

Go to a JSP page; click on ‘About this page’ on below left side of the
page, then Flexfield References will appear.

Query the Application (i.e. ‘AP’ or ‘AR’) from the JSP page on below
navigated form to have the application name

Application Developer-Application-

Register. (Query in ‘Short name’ block)

Query the Flexfield name from the JSP page to below navigated form for
getting the title.

Application Developer-Flexfield-Descriptive-Register. Query
Application in Application block and Flexfield name in Name block.

Now you will be having the Titel of the DFF as well as Application.

Now go to Application Developer-Flexfield-Descriptive-Segment…and
Query with the Application and DFF Titel.

Now you can create a DFF and view it in required Page.