Remove values from MessageChoice list

Hi All,We have a requirement where in we have to remove values from a MessageChoice list in a seeded page. The values for this item are not derived from a VO query. Instead the values are derived from FND Messages in a utility class and the utility class is called in processRequest. The utility class collects these values in a array and finally creates a VO from that array. This VO is assigned to MessageChoice item in the pafe definition.

I tried to extend the CO and added the following code.

OAViewObject localOAViewObjectEx = (OAViewObject)paramOAPageContext.getApplicationModule(paramOAWebBean).findViewObject("ActionListVO");