query in displaying the items details of complaint creating from billing document in web ui

Hi All,

I have a requirement to display the item details of complaint are created with reference of a billing document in Web UI.

When a Returns Split is created with reference to a billing document, the item is split into multiple items based on the quantity in the source document. The BAdI definition CRM_COPY_BADI_EXTERN which we implemented for this requirement. This works fine in SAP GUI but i need to replicate the same in Web UI. Need your inputs on this issue.

Thanks.