Here we would like to draw your attention to OIPSMKMAT transaction code in SAP. As we know it is being used in the SAP PS (Project Systems) module. OIPSMKMAT is a transaction code used for Field Selection PS Component List in SAP.
It comes under the package PS_EHP3_CORE_SFWS_UI.
Transaction OIPSMKMAT technical data table
|Purpose||Field Selection PS Component List|