code: func (r Product_Item_Category) GetObjectStorageCategories(resetCache *bool) (resp []datatypes.Product_Item_Category, err error) {
  	params := []interface{}{
  		resetCache,
  	}
  	err = r.Session.DoRequest("SoftLayer_Product_Item_Category", "getObjectStorageCategories", params, &r.Options, &resp)
  	return
  }
docs: // no documentation yet