The created DFF is not showing on Oracle attachment screen
Navigate to Setup and Maintenance: Access the Setup and Maintenance work area in Oracle Cloud.
Manage Descriptive Flexfields: Search for and select "Manage Descriptive Flexfields".
Find the Relevant DFF: Search for the relevant DFF, which is likely related to "Attached Documents".
Edit the DFF: Select the DFF and click on "Edit".
Create New Segment: Add a new segment (which will become a field in the application) to the DFF.
Define Value Sets (optional): Create or use existing value sets to define the allowable values for your DFF segment.
Save and Deploy: Save your changes and deploy the flexfield for the changes to take effect.