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