Magento 2 :: Row Pattern Attribute For Catalog

Assume product custom attribute called “country_price” 1. Create a new text field type attribute country_price. 2. Make Used in Product Listing to yes and scope global. 3. \app\code\Vendor\Module\etc\di.xml 4. \app\code\Vendor\Module\Ui\DataProvider\Product\Form\Modifier\CountryPrice.php 5. \app\code\Vendor\Module\etc\adminhtml\events.xml 6. \app\code\Vendor\Module\Observer/SerializedCountryPrice.php