> For the complete documentation index, see [llms.txt](https://docs.optis.me/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.optis.me/product-options/advanced-setup/make-the-option-required-before-adding-to-cart.md).

# Make the option required before adding to cart

On the **option set edit**, enable the "**This option is required**" to make the option required before adding to cart

<figure><img src="https://storage.crisp.chat/users/helpdesk/website/22429817467a0000/image_st1re5.png" alt=""><figcaption></figcaption></figure>