Here we would like to draw your attention to NWTM06 transaction code in SAP. As we know it is being used in the SAP PS-MAT (Material in PS) component which is coming under PS module (Project Systems).NWTM06 is a transaction code used for Edit Assignment of User to Role in SAP.
It comes under the package CN_MAT.
Transaction NWTM06 technical data table
|Purpose||Edit Assignment of User to Role|