# Welcome **CMS Filter** makes it easy to add custom filtering functionality to your Webflow CMS collections. Whether you're building a blog, product catalog, or portfolio, this app lets you turn any CMS collection into a dynamic, filterable list — all from an intuitive interface inside Webflow. You can map CMS collections as filters, set up multi-select or single-select options, and create a smooth, real-time filtering experience for your site visitors. No JavaScript. No complex setup. Just click, configure, and go. Perfect for designers and marketers who want more control and flexibility without touching code. {% embed url="" %} --- # 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.flowappz.com/home/cms-filter/welcome.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.