Create Trailing Amount Order

<?php
namespace ccxt;
include_once (__DIR__.'/../../ccxt.php');
// ----------------------------------------------------------------------------

// PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
// https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code

// -----------------------------------------------------------------------------

error_reporting(E_ALL);
date_default_timezone_set('UTC');

use ccxt\Precise;
use React\Async;
use React\Promise;


// AUTO-TRANSPILE //
function example() {
   return Async\async(function () {
       $exchange = new \ccxt\async\bingx(array(
           'apiKey' => 'MY_API_KEY',
           'secret' => 'MY_SECRET',
       ));
       // exchange.setSandboxMode (true);
       // exchange.verbose = true; // uncomment for debugging purposes if necessary
       Async\await($exchange->load_markets());
       $symbol = 'BTC/USDT:USDT';
       $order_type = 'market';
       $side = 'sell';
       $amount = 0.0001;
       $price = null;
       $reduce_only = true;
       $trailing_amount = 100;
       // const trailingTriggerPrice = undefined; // not supported on all exchanges
       $params = array(
           'reduceOnly' => $reduce_only,
           'trailingAmount' => $trailing_amount,
       );
       try {
           $create_order = Async\await($exchange->create_order($symbol, $order_type, $side, $amount, $price, $params));
           // Alternatively use the createTrailingAmountOrder method:
           // const create_order = await exchange.createTrailingAmountOrder (symbol, order_type, side, amount, price, trailingAmount, trailingTriggerPrice, {
           //     'reduceOnly': reduceOnly,
           // });
           var_dump($create_order);
       } catch(Exception $e) {
           var_dump(((string) $e));
       }
   }) ();
}


Async\await(example());