Here we would like to draw your attention to OMBK transaction code in SAP. As we know it is being used in the SAP MM-IM (Inventory Management in MM) component which is coming under MM module (Material Management).OMBK is a transaction code used for Suggest Items Preselected: Reservtn in SAP.
It comes under the package MB0C.
Transaction OMBK technical data table
|Purpose||Suggest Items Preselected: Reservtn|