3750184 - Add Extension field is not available for Promotion product list

The "Add Extension" field is not available for the Promotion product list.
SAP Cloud Application Studio - UI Designer, it is not possible to enhance the screen with a custom field 

 SAP Cloud for Customer core applications 

1. Open Work center Promotion
2. Open Promotion - Products
3. Start Adaptation Mode
4. Add field is not shown, only sorting is available 

Due to the technical restrictions of the Promotion BO framework this is not supported.

At present, the standard design does not support adding extension fields in the Products tab within Promotion, This is an Expected system behavior by design.

C4C, UIF, Custom Field, Adaptation, Promotion, Product , KBA , AP-RC-UIF , C4C UI Framework , Problem