> For the complete documentation index, see [llms.txt](https://developer.supervisely.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.supervisely.com/app-development/advanced/in-depth-app-development/chapter-2-modal-window.md).

# Chapter 2 Modal Window

### Table of contents

* [Part 1 — Modal window \[What is it?\]](/app-development/advanced/in-depth-app-development/chapter-2-modal-window/part-1-modal-window-what-is-it.md)
* [Part 2 — States and Widgets \[Customize modal window\]](/app-development/advanced/in-depth-app-development/chapter-2-modal-window/part-2-states-and-widgets-customize-modal-window.md)