Not an Entry
Hey, I have gone through your requirements, you wanted to make 2 custom fields on that checkout page, right? Well, the fact is if your shop is on Plus and has access to the checkout. liquid file then you can add fields to the cart, Regarding the reporting side of things. The ability to add a custom report is available from the Shopify advanced plan or above, but adding a new custom field is something that is not possible at this time. If you ahve any further question let me know All the best.