Here we would like to draw your attention to OPTB transaction code in SAP. As we know it is being used in the SAP PS-ST (Structures in PS) component which is coming under PS module (Project Systems).OPTB is a transaction code used for Command file for WBS in SAP.
It comes under the package CN_PSP_OPR.
Transaction OPTB technical data table
| Tcode | OPTB |
| Purpose | Command file for WBS |
| Module | PS |
| Component | PS-ST |
| SAP Package | CN_PSP_OPR |
| Type | P |