rate = new Rate; $this->order = new Order; $this->tracking = new Tracking; } public function trackingByWaybill($params){ return $this->tracking->byWaybill($params); } public function rateByPostal($params){ return $this->rate->byPostal($params); } public function rateByLatlong($params){ return $this->rate->byLatLong($params); } public function orderByPostal($params){ return $this->order->byPostal($params); } public function orderByLatLong($params){ return $this->order->byLatLong($params); } public function trackingById($params){ return $this->tracking->byId($params); } }