Customization option

Customization options are used to collect customization information for an item added to the cart. This information can be collected from the buyer on the product page and quick view.

Follow this instruction for more detailed:

Instruction video

1. From your Shopify admin, go to Online Store -> Themes.

2. Find the theme that you want to edit, and then click Customize.

3. Click Theme settings -> General -> Customization option.

Setting	Description
Show customization option	Display the customization option on product page and quick view.
Show in cart and checkout	Display the customization option in cart and checkout.
Type	Select which products the customization options to be shown. It can be for all products, products of a certain collection or products having listed tags.
Tags list	List out the tags to determine which products will be shown with customization options.
Collection	Choose a collection to show its products with customization options.
Text option's name	Fill in the name of the desired customization option for the text option.
File option's name	ll in the name of the desired customization option for the file option.

You need to go to the Product Information section and add the Customization property block to show the customization option on the product page and quick view.