Does anyone know if it is possible to add in a box for customers to fill in their birthday & have it store in the note section? If it is possible, how can i do that?
I have actually create 1 for the new customer signed up & it will store in the notes section. However, for customers that signed in as guest, i would also like to know their birthday so in the future if they activate their account, the record will be there.
Both guest and customer sessions in Shopify can save a cart note and many cart attributes. You could always save this kind of info as a cart attribute and not worry about whether a guest checkout turns into a customer or not.