> For the complete documentation index, see [llms.txt](https://options-docs-v2.avisplus.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://options-docs-v2.avisplus.io/troubleshooting/how-can-i-set-up-conditional-logic-for-options.md).

# How can I set up Conditional Logic for options?

You can show or hide custom options based on predefined conditions with our app's Conditional logic feature:

* [Conditional logic between Avis option & Avis option ](/building-options/conditional-logic/conditional-logic-option-b-shows-if-option-a-is-selected.md)
* [Conditional logic between Avis option & Shopify option ](https://app.gitbook.com/o/yzs8lHCFGNwnZ6KiFt9X/s/3ClFZbSMFYUfUOKXAOru/~/changes/119/app-features/conditional-logic-avis-and-shopify)