An invoice is a formal record that contains information about a purchase in great detail, such as the quantity, price, shipping charges, sales tax, total, etc.
When a customer places an order and completes their payments, Magento 2 enables setting invoice emails to send them a comprehensive invoice.
A bill sent via email makes the transaction reliable and lawful while also enhancing your store's brand identity. Additionally, it's an interactive way to improve user experience and prevent any future legal difficulties.
There are numerous choices available in the invoice email in Magento 2 by default. What would happen, though, if you wanted to include a custom field in the invoice email?
For instance, you have increased the price for packing or product customization. It even provided a discount based on the value of the store credit. The sum is now computed taking into account these extra fees or reductions.
However, the email invoice does not automatically add custom charges.
If the grand total on the invoice email differs from the quantity they paid, it may cause confusion for the clients.
Consequently, one must adhere to the following procedure in order to display the manually added charges add a custom field in invoice totals Magento 2 invoice email.
For a detailed guide, Visit: https://meetanshi.com/blog/add-custom-field-in-invoice-totals-in-magento-2-invoice-email/