reference

• getObject
  Each product item category must be tied to a category group. These category groups describe how a particular product item category is categorized. For example, the disk0, disk1, ... disk11 can be categorized as Server and Attached Services. There are different groups for each of this product item category depending on the function of the item product in the subject category.
• SoftLayer_Product_Item_Category_Group
  The SoftLayer_Product_Item_Category_Group data type contains general category group information.
• SoftLayer_Product_Item_Category_Group
  Retrieve the category group information for a product item.