Here we would like to draw your attention to CPF_A_ROUT 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).CPF_A_ROUT is a transaction code used for CPF Customizing Routine in SAP.
It comes under the package VF_PRC_CPF.
Transaction CPF_A_ROUT technical data table
|Purpose||CPF Customizing Routine|