getOriginalMedia example

$payload['appPaymentMethod']['appId'] = $appId;
            $payload['appPaymentMethod']['appName'] = $manifest->getMetadata()->getName();
            $payload['appPaymentMethod']['originalMediaId'] = $this->getMediaId($manifest, $paymentMethod, $context, $existingAppPaymentMethod);

            if ($existing && $existingAppPaymentMethod) {
                $existingPaymentMethods->remove($existing->getId());

                $payload['id'] = $existing->getId();
                $payload['appPaymentMethod']['id'] = $existingAppPaymentMethod->getId();

                $media = $existing->getMedia();
                $originalMedia = $existingAppPaymentMethod->getOriginalMedia();
                if (($media === null && $originalMedia === null)
                    || ($media !== null && $originalMedia !== null && $originalMedia->getId() === $media->getId())
                ) {
                    // user has not overwritten media, set new                     $payload['mediaId'] = $payload['appPaymentMethod']['originalMediaId'];
                }
            } else {
                $payload['afterOrderEnabled'] = true;
                $payload['mediaId'] = $payload['appPaymentMethod']['originalMediaId'];
            }