To make an option required, please follow these steps:
- From Shopify's admin, select Apps.
- Select Product Options by Bold.
- Select Options.
- Select Edit next to the option set you would like to change.
- Under "Options", select the Required checkbox next to the option you want to make required.
- Select Save Option Set.
- When this is set, if a customer attempts to add a product to their cart without choosing an option, a message will display letting them know that the option is required.
- Add a Tooltip to Product Options
- Change the Order of Product Options
- Customize the Display in Product Options