how to get Model based object only through X++ in Ax 2012

this below example get object list from layer based but i want list object from model basd............plz do need ful this very very urgent for upgrade process

this job how to modify get from model based object

UtilElements    UtilElementsLocal;   while select * from UtilElementsLocal     where UtilElementsLocal.recordType == UtilElementType::ExtendedType     &&

UtilElementsLocal.utilLevel == global::currentAOLayer() {       info(UtilElementsLocal.name) ; }