Here we would like to draw your attention to MSTRVAR_S 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).MSTRVAR_S is a transaction code used for Transport System Variants in SAP.
It comes under the package MASS.
Transaction MSTRVAR_S technical data table
|Purpose||Transport System Variants|