Set order custom attributes via order Rest API in Magento 2.3.3

[Nishu Jindal]

Hi @sumeetmangbeec  and @x_xx ,

Can you please check below link for extension_attribute code and compare your code with this to solve above error

https://www.tigren.com/add-extension-attribute-magento-2/

Hope this helps you!

Problem Solved! Click Kudos & Accept as Solution!

[sumeetmangbeec]

@Nishu Jindal 

Yes i checked but here some things which I don't know why they mention here, you can see 
Step - 5

$this->tigrenExampleRepository

Step - 6  

$this->tigrenExampleRepository

$this->tigrenAttributeFactory->create()

 what is the use of this ?
I just add a custom column in sales_order table,need to just update this column when REST API call
I also this question magento StackExchange - https://magento.stackexchange.com/questions/317687/magento-2-how-to-update-custom-order-attribute-us...

but still no luck

[Nishu Jindal]

Hi @sumeetmangbeec ,

I have checked your code on Magento stack exchange. Can you please replace below code in your plugin class OrderRepository.php

public function beforeSave(OrderRepositoryInterface $subject, OrderInterface $order
) {
    $extensionAttributes = $order->getExtensionAttributes() ?: $this->extensionFactory->create();
        if ($extensionAttributes !== null && $extensionAttributes->getCustomSalesId() !== null) {
            $order->setCustomSalesId($extensionAttributes->getCustomSalesId());
        }

        return [$order];
}

 Please check the below code and try to create/save an order.

Hope this works for you!

Problem Solved! Click Kudos & Accept as Solution!