# ClickFunnels Apps - [Smart Optin](https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps/smart-optin.md): Simplify user engagement - [Facebook Client ID](https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps/smart-optin/facebook-client-id.md): What is the Facebook Client ID and how to obtain it: - [Google Client ID](https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps/smart-optin/google-client-id.md): What is the Google Client ID and how to obtain it: - [Smart Currency Converter](https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps/smart-currency-converter.md): Learn what you can use Smart Currency Converter for and how to install it: - [Programmable](https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps/using-programmable.md): Learn how to install Programmable with your funnel and adapt it to your business' needs! - [Fancify](https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps/fancify.md): Find out how to turn on Fancify inside your funnel! - [Product Variant Set Up](https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps/fancify/product-variants.md): Learn how to configure multiple variants for your products in Funnelish! - [Paypal Plugin](https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps/paypal-plugin.md): Start processing payments with Funnelish and Paypal! - [Testing Purchases](https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps/paypal-plugin/testing-purchases.md): You want to do a test purchase? Here is how you can do it: - [Smart Address Plugin](https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps/smart-address-plugin.md): Find out how to install it and what does it do! --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.funnelish.com/connecting-to-clickfunnels/clickfunnels-apps.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. 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.