Here we would like to draw your attention to GM_MLST transaction code in SAP. As we know it is being used in the SAP PSM-GM (Grants Management in PSM) component which is coming under PSM module (Public Sector Management). GM_MLST is a transaction code used for Billing Plan in SAP.
It comes under the package for Grants Management (billing) (GMBILLING_E). When we execute this transaction code, GM_MILESTONE_BILLING is the normal standard SAP program that is being executed in background. Transaction code GM_MLST is included in the SAP component for EA-PS.
Transaction GM_MLST technical data table