custom field to customer address not saving in shipping and billing address when checkout!

[5cf0f59077b25]

Hello,
I add a custom field to customer_address entity, quote address and order address
The field is visible in shipping and billing form in checkout step by the value is not saving in database!
I try this:
https://codeblog.experius.nl/magento-2-add-extra-billing-or-shipping-field-to-the-checkout/
But the fiel is not saving!
I use Magento2.1 community
I try many tutorials and topics solutions but the problem persiste!
Can you help me please to solve this issue?
Thanks a lot

[Manish Mittal]

Hello @5cf0f59077b25 

Please check in your model after placing order value you are getting or not for that specific attribute? if not debug where you missed code to define.

Follow below shared two links if still no luck:

https://magento.stackexchange.com/questions/179928/customer-address-attribute-value-is-not-saving-in...

https://github.com/magento/magento2/issues/6575