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<?php
namespace Carpenstar\ByBitAPI\Derivatives\MarketData\OrderBook\Request;
use Carpenstar\ByBitAPI\Core\Objects\AbstractParameters;
use Carpenstar\ByBitAPI\Derivatives\MarketData\OrderBook\Interfaces\IOrderBookRequestInterface;
class OrderBookRequest extends AbstractParameters implements IOrderBookRequestInterface
{
/**
* @var string $category
*/
protected string $category = "linear";
* @var string $symbol
protected string $symbol;
* @var int $limit
protected int $limit = 25;
* @return string
public function getCategory(): string
return $this->category;
}
* @param string $symbol
* @return OrderBookRequest
public function setSymbol(string $symbol): self
$this->symbol = $symbol;
return $this;
public function getSymbol(): string
return $this->symbol;
* @param int $limit
public function setLimit(int $limit): self
$this->limit = $limit;
* @return int
public function getLimit(): int
return $this->limit;