Here we would like to draw your attention to OMTB transaction code in SAP. As we know it is being used in the SAP MM-PUR (Purchasing in MM) component which is coming under MM module (Material Management).OMTB is a transaction code used for Output Program: Purchase Order in SAP.
It comes under the package ME0C.
Transaction OMTB technical data table
|Purpose||Output Program: Purchase Order|