code: func (r Product_Package) GetCloudStorageItems(provider *int) (resp []datatypes.Product_Item, err error) {
  	params := []interface{}{
  		provider,
  	}
  	err = r.Session.DoRequest("SoftLayer_Product_Package", "getCloudStorageItems", params, &r.Options, &resp)
  	return
  }
docs: // no documentation yet