`public function createOrder($type,$side,$price,$quantity,$maker = false) {
$symbol = self::SYMBOL;
$data['method'] = "POST";
$data['function'] = "order/bulk";
$data['params'] = array(
"symbol" => $symbol,
"side" => $side,
"price" => $price,
"orderQty" => $quantity,
"ordType" => $type
);
if($maker) {
$data['params']['execInst'] = "ParticipateDoNotInitiate";
}
return $this->authQuery($data);
}`