Here we would like to draw your attention to OPKJ transaction code in SAP. As we know it is being used in the SAP PP-SFC (Production Orders – PP) component which is coming under PP module (Production Planning).OPKJ is a transaction code used for Maintain PRT Control Key in SAP.
It comes under the package CO0C.
Transaction OPKJ technical data table
| Tcode | OPKJ |
| Purpose | Maintain PRT Control Key |
| Module | PP |
| Component | PP-SFC |
| SAP Package | CO0C |
| Type | P |