[Fiori] Send notification mail if workitem is forwarded in MyInbox

If you forward a workitem manually from the MyInbox or via function module SAP_WAPI_FORWARD_WORKITEM, the function module SWW_WI_FORWARD will be called. There the SAP implemented a BAdI call of the BAdI WF_WI_FORWARD. The BAdI provides a method to add additional checks, when forwarding a workitem. I will use it, to …