Here is a list of important 123 transaction codes used with SAP PS-ST component (SAP Structures in PS) coming under SAP PS Module. You will get more technical details of each of these SAP PS-ST tcodes by clicking on the respective tcode name link.
Menu Path : Logistics → Project System → Project → Special Maintenance Functions → Work Breakdown Structure (WBS) → Display
Menu Path : Logistics → Project System → Project → Special Maintenance Functions → Work Breakdown Structure (WBS) → Project Definition → Display
Menu Path : Logistics → Project System → Project → Special Maintenance Functions → Work Breakdown Structure (WBS) → Single Element → Display
Menu Path : Logistics → Project System → Project → Special Maintenance Functions → Structure Planning → Change Project
Menu Path : Logistics → Project System → Project → Project Builder
Menu Path : Logistics → Project System → Project → Project Planning Board → Create Project
Menu Path : Logistics → Project System → Project → Special Maintenance Functions → Structure Planning → Display Project
Menu Path : Logistics → Project System → Project → Project Planning Board → Change Project
Menu Path : Logistics → Project System → Project → Project Planning Board → Display Project
Menu Path : Logistics → Project System → Project → Special Maintenance Functions → Structure Planning → Create Project
Menu Path : Logistics → Project System → Basic Data → Templates → Standard WBS → Display
Menu Path : Logistics → Logistics Execution → Transportation → Transportation Planning → External Planning System → ALE Monitoring → Goto → Master Data Distribution → Logistics → Project → Send
Menu Path : Logistics → Project System → Information System → Structures → Change Documents → For Standard WBS
Menu Path : Logistics → Project System → Basic Data → Templates → Standard Network → Display
Menu Path : Logistics → Project System → Documents → Project Texts → Edit
Menu Path : Logistics → Project System → Documents → Project Texts → Display
Menu Path : Logistics → Project System → Basic Data → Templates → Standard Milestone → Display
Menu Path : Logistics → Production → Capacity Planning → Requirements → Network → Change
Menu Path : Logistics → Production → Capacity Planning → Requirements → Network → Display
Menu Path : Logistics → Project System → Dates → Overall Network Scheduling
Menu Path : Logistics → Project System → Basic Data → Tools → Archiving → Project Structures
Menu Path : Logistics → Project System → Basic Data → Templates → Standard Network → Delete
Menu Path : Logistics → Project System → Basic Data → Templates → Standard Network → Archive
Menu Path : Logistics → Project System → Basic Data → Tools → Mass Change → Execute
Menu Path : Logistics → Project System → Basic Data → Tools → Mass Change → Log
Menu Path : Logistics → Production → Master Data → Standard Trigger Points → Standard trigger pt → Create
Menu Path : Logistics → Production → Master Data → Standard Trigger Points → Standard trigger pt → Change
Menu Path : Logistics → Production → Master Data → Standard Trigger Points → Standard trigger pt → Display
Menu Path : Logistics → Project System → Progress → Confirmation → Download Activities to Palm
Menu Path : Logistics → Project System → Project → Current Settings → Specify persons responsible for WBS elem
Menu Path : Logistics → Project System → Project → Current Settings → Specify Applicants for WBS elements
Menu Path : Logistics → Project System → Project → Special Maintenance Functions → Work Breakdown Structure (WBS) → Subproject
Click here to know details about SAP standard tables used with Structures in PS.