How to Create Custom Options Programmatically in Magento 2

For some of the products, customers require to create custom options programmatically in Magento 2 while placing the order. The custom options allow customers to configure the product as per the need.

Get the code to create custom options of types field, drop down and multi-select in your product at https://meetanshi.com/blog/create-custom-options-programmatically-in-magento-2/