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.