hAction_win0(document.win0,pageFldName,0,0,inlabel,false,true);
Reason:
"hAction_win0" is no longer used in PeopleTools 8.52.
Solution:
"hAction_win0" can be replaced with "submitAction_win0" for 8.52 PeopleTools.
Sample code:
submitAction_win0(document.%FormName,pageFldName,0,0,inlabel,false,true);