3205524 - Troubleshooting Task Gateway BAdI - /IWPGW/BADI_TGW_TASK_DATA

BAdI /IWPGW/BADI_TGW_TASK_DATA is implemented according to the guidelines of KBA 3151871 - Task Gateway BAdI -  /IWPGW/BADI_TGW_TASK_DATA, but the BAdI is not called, the following symptoms are experienced in Fiori My Inbox/My Outbox application:

• Task title or task description is not changed on the details screen, despite the proper business logic implemented in the BAdI coding.

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

• Task Gateway
• Gateway Business Workflow Enablement 
• SAP NetWeaver
• SAP Web Application Server for SAP S/4HANA
• ABAP PLATFORM - Application Server ABAP
• SAP Gateway
• My Inbox Fiori application

SAP_GWFND, IW_PGW, /IWPGW/TGW, /IWWRK/WORKFLOW, IW_BEP, TASKPROCESSING, TGW_BADI, interface /IWPGW/IF_TGW_TASK_DATA, PROVIDER_ID, TASK_DEF_ID, IV_PROVIDER_ID, IS_TASK_HEADER, CV_TASK_TITLE, IT_TASKS, CV_DESCRIPTION, CV_DESCRIPTION_HTML, modify the task title and task description of an Inbox or an Outbox item before it is displayed in the SAP Gateway system, Class /IWPGW/CL_TGW_EDP_TASK, Method UPDATE_TASK_DETAILS_FROM_CUST, Method ENTITY_DESCRIPTION, Method MAP_FINALIZE_FIELDS_DATA , KBA , OPU-BSC-TGW , Task Gateway , OPU-BSE-WFM , Gateway Business Workflow Enablement , Problem