LOCAL category_assignments : BAG OF Product_category_assignment; categories : SET OF STRING := []; i : INTEGER; END_LOCAL; category_assignments := USEDIN(obj, 'AD_PROD_BREAKDOWN_DEX.PRODUCT_CATEGORY_ASSIGNMENT.PRODUCTS'); REPEAT i := LOINDEX(category_assignments) TO HIINDEX(category_assignments); categories := categories + category_assignments[i].category.name; END_REPEAT; RETURN (categories);