Hi I am trying to use coinbase api in php.api implementation working fine, I can check balance, creat new address all this are working fine.But facing problem on request bitcoin. I am following coinbase official api librery , accroding documention on mentioned link request fund usage code is

use Coinbase\Wallet\Enum\CurrencyCode;
use Coinbase\Wallet\Resource\Transaction;
use Coinbase\Wallet\Value\Money;

$transaction = Transaction::request([
    'amount'      => new Money(8, CurrencyCode::USD),
    'description' => 'Burrito'
]);

$client->createAccountTransaction($transaction);

And I used exactly what they said, but I am getting error, bellow is my code

<?php
require_once('vendor/autoload.php');

use Coinbase\Wallet\Client;
use Coinbase\Wallet\Configuration;
use Coinbase\Wallet\Enum\CurrencyCode;
use Coinbase\Wallet\Resource\Transaction;
use Coinbase\Wallet\Value\Money;

$apiKey='xxxxxxx';
$apiSecret='xxxxxxx';
$configuration = Configuration::apiKey($apiKey, $apiSecret);
$client = Client::create($configuration);

$transaction = Transaction::request([
    'amount'      => new Money(8, CurrencyCode::USD),
    'description' => 'Burrito'
]);
$client->createAccountTransaction($transaction);
echo json_encode($client->decodeLastResponse());
?>

And error is

Fatal error: Uncaught TypeError: Argument 1 passed to Coinbase\Wallet\Client::createAccountTransaction() must be an instance of Coinbase\Wallet\Resource\Account, instance of Coinbase\Wallet\Resource\Transaction given, called in /file_path/file.php on line 19 and defined in /library_path /vendor/coinbase/coinbase/src/Client.php:359 Stack trace: #0 /file_path/file.php(19): Coinbase\Wallet\Client->createAccountTransaction(Object(Coinbase\Wallet\Resource\Transaction))

1 {main} thrown in /library_path /vendor/coinbase/coinbase/src/Client.php on line 359