How to Change the Sequence of Custom Field Before “subtotal” in Invoice in Magento 2 Backend

Something went wrong.
Related Posts:
In this example, the “qty” custom field is added and the sequence of “subtotal” changes as “qty” is placed in the first position.
Here, I have taken the example to change the sequence of custom field before “subtotal” in invoice in Magento 2 backend.
The default Magento 2 offers an invoice template as shown below.
If you have any doubts regarding this post, do mention them in the Comments section below.
Such changes in Magento 2 admin panel for invoice helps admin to get all the required details in invoice totals in the sequence of priority.
That’s all!

Steps to Change the Sequence of Custom Field Before “subtotal” in Invoice in Magento 2 Backend:

Create registration.php file at appcodeVendorModule directory

<?php use MagentoFrameworkComponentComponentRegistrar; ComponentRegistrar::register(ComponentRegistrar::MODULE, ‘Vendor_Module’, __DIR__);

use MagentoFrameworkComponentComponentRegistrar;

ComponentRegistrar::register(ComponentRegistrar::MODULE, ‘Vendor_Module’, __DIR__);

Create module.xml file at appcodeVendorModuleetc directory

<?xml version=”1.0″?><br />
<config xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance” xsi:noNamespaceSchemaLocation=”urn:magento:framework:Module/etc/module.xsd”> <module name=”Vendor_Module” setup_version=”1.0.0″/><br />
</config>

<?xml version=“1.0”?>

<config xmlns:xsi=“http://www.w3.org/2001/XMLSchema-instance”

xsi:noNamespaceSchemaLocation=“urn:magento:framework:Module/etc/module.xsd”>

Create sales_order_invoice_new.xml file at appcodeVendorModuleviewadminhtmllayout

<?xml version=”1.0″?><br />
<page xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance” xsi:noNamespaceSchemaLocation=”urn:magento:framework:View/Layout/etc/page_configuration.xsd”> <body> <referenceBlock name=”invoice_totals”> <block class=”VendorModuleBlockSalesOrderQty” name=”qty”/> </referenceBlock> </body><br />
</page>

<?xml version=“1.0”?>

<page xmlns:xsi=“http://www.w3.org/2001/XMLSchema-instance”

xsi:noNamespaceSchemaLocation=“urn:magento:framework:View/Layout/etc/page_configuration.xsd”>

<body>

</referenceBlock>

</body>

Create Qty.php file at appcodeVendorModuleBlockSalesOrder

<?php namespace VendorModuleBlockSalesOrder; use MagentoFrameworkViewElementTemplateContext; class Qty extends MagentoFrameworkViewElementTemplate<br />
{ protected $currency; public function __construct(Context $context, Currency $currency, array $data = []) { parent::__construct($context, $data); $this->currency = $currency; } public function initTotals() { if ((integer)$this->getOrder()->getTotalQtyOrdered()) { $value = $this->getOrder()->getTotalQtyOrdered(); $this->getParentBlock()->addTotalBefore( new MagentoFrameworkDataObject( [ ‘code’ => ‘qty’, ‘strong’ => false, ‘label’ => ‘QTY’, ‘value’ => $value, ] ), ‘subtotal’ ); } return $this; } public function getOrder() { return $this->getParentBlock()->getOrder(); }<br />
}

namespace VendorModuleBlockSalesOrder;

use MagentoFrameworkViewElementTemplateContext;

class Qty extends MagentoFrameworkViewElementTemplate

protected $currency;

public function __construct(Context $context, Currency $currency, array $data = [])

parent::__construct($context, $data);

$this->currency = $currency;

public function initTotals()

if ((integer)$this->getOrder()->getTotalQtyOrdered()) {

$value = $this->getOrder()->getTotalQtyOrdered();

$this->getParentBlock()->addTotalBefore(

new MagentoFrameworkDataObject(

[

‘code’ => ‘qty’,

‘strong’ => false,

‘label’ => ‘QTY’,

‘value’ => $value,

]

‘subtotal’

);

}

return $this;

public function getOrder()

return $this->getParentBlock()->getOrder();

Never miss Magento tips, tricks, tutorials, and news.
Thank you for subscribing.
Using the above code, the QTY field is added to the invoice before subtotal as shown in below image.
Feel free to share the solution with Magento Community via social media.
Thank You.

The admin may want to add custom fields and change the sequence of the existing fields as per the business requirements.