public function getProductOrderBook(RequestProduct $product) {
        return $this->get(['products', $product->getProductId(), 'book'], ResponseProductOrderBook::class, $product->toArray());
    }
public function getProductOrderBook(RequestProduct $product) {
        return $this->get(['products', $product->getProductId(), 'book'], ResponseProductOrderBook::class, $product->toArray());
    }
public function getProductOrderBook ( RequestProduct $ product ) { return $ this -> get ( [ 'products' , $ product -> getProductId ( ) , 'book' ] , ResponseProductOrderBook :: class , $ product -> toArray ( ) ) ; }
Get a list of open orders for a product. The amount of detail shown can be customized with the level parameter.

@param RequestProduct $product

@return ResponseTypeInterface
Get a list of open orders for a product . The amount of detail shown can be customized with the level parameter .