Magento 2 Get Coupon Code Programmatically Official

<?php declare(strict_types=1); namespace YourNamespace\YourModule\Model;

$result = []; foreach ($collection as $order) $result[$order->getId()] = $order->getCouponCode(); magento 2 get coupon code programmatically

$quote = $quoteFactory->create()->load($quoteId); return $quote->getCouponCode(); $result = []