Import retail categories through code in dynamics ax 2012

Simple code to import Retail Product category

 EcoResCategory ecoResCategory
 ; 
 ecoResCategory.clear();
 ecoResCategory.initValue();
 ecoResCategory.initFromParent(EcoResCategory::findByName('HAL',ecoResCategory.CategoryHierarchy);
 ecoResCategory.Code = 'Test_categoryimport';
 ecoResCategory.Name = 'Test_Categoryimport';
 ecoResCategory.addToHierarchy();