2568dc54____PeopleTools_Table_Reference__Description
[PeopleSoft Field Name] LASTUPDOPRID [Field Type] VARCHAR2(30) NOT NULL [Description] 
Specifies the User ID which made the last update to an entry. This field is maintained by PeopleSoft and is used in a variety of contexts.
PSPNLGRPDEFN - Panel Group Definition - PeopleTools Table Reference
Description