Here we would like to draw your attention to OMGU transaction code in SAP. As we know it is being used in the SAP MM-IS (Information System in MM) component which is coming under MM module (Material Management).OMGU is a transaction code used for C MM-PUR Scope of Ranking Lists in SAP.
It comes under the package MEL.
Transaction OMGU technical data table
|Purpose||C MM-PUR Scope of Ranking Lists|