code: func (bot *BotAPI) AnswerShippingQuery(config ShippingConfig) (APIResponse, error) {
  	v := url.Values{}
  
  	v.Add("shipping_query_id", config.ShippingQueryID)
  	v.Add("ok", strconv.FormatBool(config.OK))
  	if config.OK == true {
  		data, err := json.Marshal(config.ShippingOptions)
  		if err != nil {
  			return APIResponse{}, err
  		}
  		v.Add("shipping_options", string(data))
  	} else {
  		v.Add("error_message", config.ErrorMessage)
  	}
  
  	bot.debugLog("answerShippingQuery", v, nil)
  
  	return bot.MakeRequest("answerShippingQuery", v)
  }
docs: // AnswerShippingQuery allows you to reply to Update with shipping_query parameter.