# Advanced Features

- [Show updated total price with add-ons](https://docs.optis.me/product-options/advanced-features/show-updated-total-price-with-add-ons.md)
- [Shorten file upload display on cart/checkout](https://docs.optis.me/product-options/advanced-features/shorten-file-upload-display-on-cart-checkout.md)
- [Work with your cart drawer / ajax cart](https://docs.optis.me/product-options/advanced-features/work-with-your-cart-drawer-ajax-cart.md)
- [Show options on Email confirm/Packing slips](https://docs.optis.me/product-options/advanced-features/show-options-on-email-confirm-packing-slips.md)
- [Edit option on cart page](https://docs.optis.me/product-options/advanced-features/edit-option-on-cart-page.md)
- [Show options on featured products](https://docs.optis.me/product-options/advanced-features/show-options-on-featured-products.md)
- [OPTIS Product Options - Developer Integration Guide](https://docs.optis.me/product-options/advanced-features/optis-product-options-developer-integration-guide.md)


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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```

The question should be specific, self-contained, and written in natural language.
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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.