Hi @umairrazzaq
You can achieve this using a configurable product type, in which you may create the custom dropdown attribute and based on that create variant product as shown in below screenshot
Screenshot_380.png
Hi @devansh-webkul@harukovn, do you mean I update the migration file or change the code for that? If it's about changing the code, could you point me to the methods that I have to change, please?