How to Create Credit Memo Programmatically Using Root Script in Magento 2?

Hello Magento Friends,

Today I am here with a new solution. The subject matter is How to Create Credit Memo Programmatically Using Root Script in Magento 2?

A credit memo is generated when a customer returns the product. Learn How to Create Credit Memo in Magento 2.

Another way to create a credit memo is using the root script in Magento 2.

Steps to Create Credit Memo Programmatically Using Root Script in Magento 2:

Step 1: Create a file in your Magento root directory at the below path 

magento_root_directory\GenerateCreditmemo.php

Add the code as given below

<?php
use Magento\Framework\AppInterface;
try
{
    require_once __DIR__ . '/app/bootstrap.php';
} 
catch (\Exception $e) 
{
    echo 'Autoload error: ' . $e->getMessage();
    exit(1);
}
try
{
	$bootstrap = \Magento\Framework\App\Bootstrap::create(BP, $_SERVER);
	$objectManager = $bootstrap->getObjectManager();
	$appState = $objectManager->get('\Magento\Framework\App\State');
	$appState->setAreaCode('frontend');
	
	$incrementId = "100060531"; //Pass Order Increment Id
	$order = $objectManager->create('Magento\Sales\Model\Order')
		->loadByAttribute('increment_id', $incrementId);
	$invoice = $objectManager->create('Magento\Sales\Model\Order\Invoice');
	$creditMemoFacory = $objectManager->create('Magento\Sales\Model\Order\CreditmemoFactory');
	$creditmemoService = $objectManager->create('Magento\Sales\Model\Service\CreditmemoService');
	    $invoices = $order->getInvoiceCollection();
	    foreach ($invoices as $invoice)
            {
		$invoiceincrementid = $invoice->getIncrementId();
	    }

	    $invoiceobj = $invoice->loadByIncrementId($invoiceincrementid);
	    $creditmemo = $creditMemoFacory->createByOrder($order);

	    // Don't set invoice if you want to do offline refund
	    $creditmemo->setInvoice($invoiceobj);

	    $creditmemoService->refund($creditmemo); 

	    echo "CreditMemo Succesfully Created For Order : ".$incrementId;
}
catch(\Exception $e)
{
	echo "Error : ".$e->getMessage();
}

Conclusion:

Accordingly, you can Create Credit Memo Programmatically Using Root Script in Magento 2. If you have any difficulty, share with me through the comment section. Stay updated with us for more Magento 2 tutorials.

Happy Coding!