Here we would like to draw your attention to OPIF transaction code in SAP. As we know it is being used in the SAP PS-COS (Costs in PS) component which is coming under PS module (Project Systems).OPIF is a transaction code used for View Maintenance:Compound Int.Cont. in SAP.
It comes under the package KAPI.
Transaction OPIF technical data table
|Purpose||View Maintenance:Compound Int.Cont.|