Attaching Custom Vo To Standard Page Existing AM
OAApplicationModule am = pageContext.getApplicationModule(webBean);
OAViewObject oaviewobject = (OAViewObject)am.findViewObject("xxScoResourceVO1");
if(oaviewobject == null)
{
oaviewobject = (OAViewObject)am.createViewObject("xxScoResourceVO1","xx.oracle.apps.pa.poplist.server.xxScoResourceVO");
}