// Get the default hierarchy of the Product dimension.
MdmLevelHierarchy mdmProdHier = (MdmLevelHierarchy)
mdmProdDim.getDefaultHierarchy();
// Get the detail level of the hierarchy.
MdmLevel mdmItemLevel = getContext().getLevelByName(mdmProdHier, "ITEM_AW");
// Get the Source for the level.
Source itemLevel = mdmItemLevel.getSource();
// Get the short description attribute for the Product dimension and
// the Source for the attribute.
MdmAttribute mdmProdShortDescrAttr =
mdmProdDim.getShortValueDescriptionAttribute();