Here we would like to draw your attention to WFA_WRKAREA transaction code in SAP. As we know it is being used in the SAP CA-GTF (General Application Functions in CA) component which is coming under CA module (Cross Application).WFA_WRKAREA is a transaction code used for Define Work Areas in SAP.
It comes under the package WFA_CAS.
Transaction WFA_WRKAREA technical data table
|Purpose||Define Work Areas|