code: func (r Product_Order) GetTaxCalculationResult(orderHash *string) (resp datatypes.Container_Tax_Cache, err error) {
  	params := []interface{}{
  		orderHash,
  	}
  	err = r.Session.DoRequest("SoftLayer_Product_Order", "getTaxCalculationResult", params, &r.Options, &resp)
  	return
  }
docs: // Sometimes taxes cannot be calculated immediately, so we start the calculations and let them run in the background. This method will return the current progress and information related to a specific tax calculation, which allows real-time progress updates on tax calculations.