Here we would like to draw your attention to OPT6 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).OPT6 is a transaction code used for Maintain std. milestone group in SAP.
It comes under the package CN_NET_STD.
Transaction OPT6 technical data table
| Tcode | OPT6 |
| Purpose | Maintain std. milestone group |
| Module | PS |
| Component | PS-ST |
| SAP Package | CN_NET_STD |
| Type | P |