| Function Module Name | Function Module Description | Function Module Name | Function Module Description |
| CN2W_WBSELEMENT_CHANGE_STRU | Function to create a WBS element | CN2W_WBSELEMENT_CREATE_STRU | Function to create a WBS element |
| CN2W_WBSELEMENT_DELETE | Function to delete a WBS element | CN2W_WBSELEMENT_LOCK | PSP-Element: Stammdatensperre setzen |
| CN2W_WBSELEMENT_UNLOCK | PSP-Element: Stammdatensperre aufheben | CN2W_WBS_HIERARCHI_CHANGE_STRU | Function to create a WBS element |
| CN2W_WBS_HIERARCHI_UPDATE_STRU | Update the hierarchy with a sub-project |