> 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/building-options/conditional-logic.md).

# Conditional Logic

- [Conditional Logic (Avis Options)](https://options-docs-v2.avisplus.io/building-options/conditional-logic/conditional-logic-option-b-shows-if-option-a-is-selected.md): Option B is shown/ hidden according to the value of option A
- [Conditional Logic (Avis and Shopify)](https://options-docs-v2.avisplus.io/building-options/conditional-logic/conditional-logic-avis-and-shopify.md): Option B is shown/ hidden according to the value of option A (Avis and Shopify)