code: function(oList, oAttribute) {
  		if (oAttribute.getSelected()) {
  			var aAttributes = oAttribute.getAttributesInternal(true);
  			if (aAttributes.length > 0) {
  				var oSubList;
  				if (oAttribute.getChangeListener()) {
  					oSubList = sap.ui.getCore().byId(oAttribute.getChangeListener().id);
  				} else {
  					oSubList = new ExactList();
  				}
  
  				oSubList.setData(oAttribute);
  				return oSubList;
  			}
  		}
  
  		return null;
  	}
docs: Creates a new ExactList for the given attribute if the attribute is selected and does not have a corresponding list yet. If the attribute has a corresponding list already this list is returned.