protected function getObject(){
        $object = null;
        if(
            $order_id = $this->getProperty('order_id', null) 
            AND $product_id = $this->getProperty('product_id', null)
            AND $myVar = $this->getProperty('myVar', 'null)
        ){
            $object = $this->modx->getObject('OrderProduct', array(
                'order_id'  => $order_id,
                'product_id'=> $product_id,
                'warehouse' => $myVar,

            ));
        }
        
        return $object;
    }