I created one custom field in sales_order table, field name is mycstfield.

I save my value in that field sucessfully when order is placed.

Now, I want to send that field value in following places.

  1. Order Email (From Admin)

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  1. Inoive Email and Invoice Print (PDF)

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  1. Shipment Print

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  1. Credit Memo Email and Credit Memo Print (PDF)

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Can Any one have idea about this, How can I do this.

  • what does it means "I want to send that field value in following places."?
    – LucScu
    Jul 24, 2017 at 10:42
  • means I need to send this customer field value in following places. Jul 24, 2017 at 12:04
  • could you explain better what are you meaning as "following places"? do you want a button next send mail and print with your custom field?
    – LucScu
    Jul 24, 2017 at 20:39
  • I am tryting to send my custom field "mycstfield" in the PDF & email which is send to customer while we click on above mension places. Now are you getting my point. Jul 25, 2017 at 3:00
  • Ok, now it's a bit more clear, last question to understand completely: do you know that both email and pdf has a similar template, with information above the product table, product table, totals. In which position of these do you want insert your custom field?
    – LucScu
    Jul 25, 2017 at 6:55

1 Answer 1


I give my answer about order email. Other emails and pdf should works with the same logic.

You have to look at \vendor\magento\module-sales\view\frontend\layout\sales_email_order_items.xml

where the block with class Magento\Sales\Block\Order\Email\Items has the template \vendor\magento\module-sales\view\frontend\templates\order\items.phtml

In this template the line <?php echo $block->getChildHtml('order_totals') ?> calls the block with totals (always defined in sales_email_order_items.xml)

<block class="Magento\Sales\Block\Order\Totals" name="order_totals" template="order/totals.phtml">

This template starts with

<?php foreach ($block->getTotals() as $_code => $_total): ?>

where $block is a Magento\Sales\Block\Order\Totals instance.

Then, to add your custom field to totals, try to write a plugin related to one public method of this class, i think you could choose addTotal() or addTotalBefore(), in this way your custom field will be added to $this->_totals array and it will be printed from the foreach loop.

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