Here we would like to draw your attention to ILM_C_RELA 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).ILM_C_RELA is a transaction code used for Relation between segments in SAP.
It comes under the package FA_ILM.
Transaction ILM_C_RELA technical data table
|Purpose||Relation between segments|