Extension attribute not working with Magento 2.3.3

[manu_madhav]

please see my question
https://magento.stackexchange.com/q/296583/70912

[Rahul Gupta]

@manu_madhav please refer the below link and check if you have miss any step or create again using the following steps.

https://www.dckap.com/blog/extension-attributes-in-magento2/

Thanks