Destination example

 catch (HttpException $e) {
            $exception = new HttpTransportException(sprintf('Unable to send an email: %s (code %s).', $e->getAwsMessage() ?: $e->getMessage(), $e->getAwsCode() ?: $e->getCode()), $e->getResponse(), $e->getCode(), $e);
            $exception->appendDebug($e->getResponse()->getInfo('debug') ?? '');

            throw $exception;
        }
    }

    protected function getRequest(SentMessage $message): SendEmailRequest
    {
        $request = [
            'Destination' => new Destination([
                'ToAddresses' => $this->stringifyAddresses($message->getEnvelope()->getRecipients()),
            ]),
            'Content' => [
                'Raw' => [
                    'Data' => $message->toString(),
                ],
            ],
        ];

        if (($message->getOriginalMessage() instanceof Message)
            && $configurationSetHeader = $message->getOriginalMessage()->getHeaders()->get('X-SES-CONFIGURATION-SET')) {