Here we would like to draw your attention to OIOM transaction code in SAP. As we know it is being used in the SAP PM (Plant Maintenance) module. OIOM is a transaction code used for Assign PartnDetermProc. to OrdType in SAP.
It comes under the package INSC.
Transaction OIOM technical data table
| Tcode | OIOM |
| Purpose | Assign PartnDetermProc. to OrdType |
| Module | PM |
| SAP Package | INSC |
| Type | P |