How to Programmatically Attach PDF File in Magento 2 Email

For Magento 2 stores, generally, Emails are sent for various purposes such as invoice, billing, coupon codes, etc. that require to attach PDF files. Manually attaching files for these tasks is not feasible. Instead, programmatically attach a PDF file for Magento 2 Email!

Method to Programmatically Attach PDF File in Magento 2 Email:

1. Create your TransportBuilder class, Vendor/Extension/Model/Mail/TransportBuilder.php
2. Create sample Email Sending Helper, Vendor/Extension/Helper/Data.php

For the detailed method, visit https://meetanshi.com/blog/programmatically-attach-pdf-file-in-magento-2-email/