1) pass an extra parameter to DirParyUtrility::CustNameLookup
This extra parameter will have signature as under
dirPartyLookupEntitiesFilter dirPartyLookupEntitiesFilter = dirPartyLookupEntitiesFilter::generateDirPartyLookupEntitiesFilter()
2) also pass object to DirPatyNameLookup form
args.parmObject(dirPartyLookupEntitiesFilter);
3) handle passed object to filter results
