> For the complete documentation index, see [llms.txt](https://learn.squirrel365.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learn.squirrel365.io/the-designer.md).

# The Designer

- [Intro to the Designer](https://learn.squirrel365.io/the-designer/intro-to-the-designer.md): A guide to the Squirrel365 designer interface — the canvas, component panel, object browser, spreadsheet, and properties panel.
- [The Spreadsheet](https://learn.squirrel365.io/the-designer/overview.md): This is an overview page of the Squirrel spreadsheet, its uses as well as navigation to articles on the spreadsheet and its uses.
- [Supported Spreadsheet Functions](https://learn.squirrel365.io/the-designer/overview/supported-spreadsheet-functions.md)
- [Impact Analysis](https://learn.squirrel365.io/the-designer/overview/impact-analysis.md): This article describes Impact Analysis, its feature and functionalities.
- [Spreadsheet best practice](https://learn.squirrel365.io/the-designer/overview/best-practices-for-the-squirrel-spreadsheet.md): This article describes our recommended best practices to utilise the Squirrel Spreadsheet to its full potential and keep your data organised
- [Working with Containers](https://learn.squirrel365.io/the-designer/container.md): This article describes the Container component, its purpose and properties.
- [Container Transitions](https://learn.squirrel365.io/the-designer/container/container-transitions.md): Use visibility transitions on containers in Squirrel365 to move between screens, so your app navigates the way a mobile app does instead of switching instantly.
- [Changes to Grouping in v1.19](https://learn.squirrel365.io/the-designer/changes-to-grouping-in-v1.19.md): This article describes the changes made to grouping in v1.19.
- [Custom Components](https://learn.squirrel365.io/the-designer/custom-components.md): This article describes how to create and use Custom Components.
- [Testing your App](https://learn.squirrel365.io/the-designer/testing-your-app.md)
- [Saving a Project](https://learn.squirrel365.io/the-designer/saving-a-project.md): This article describes how to save a project
- [Version History](https://learn.squirrel365.io/the-designer/version-history.md): This article describes how to acces and restore previous versions of Squirrel projects, both saved manually and through autosave.
- [Project Settings](https://learn.squirrel365.io/the-designer/project-settings.md)
- [Templates](https://learn.squirrel365.io/the-designer/templates.md): This article describes how to access a Squirrel Project template to load into the Squirrel Designer.
- [Tufty AI](https://learn.squirrel365.io/the-designer/tufty-ai.md): Meet Tufty, the AI assistant built into Squirrel365 that helps you build and improve your apps step by step, with you in control of every change.
- [Using Tufty](https://learn.squirrel365.io/the-designer/tufty-ai/using-tufty.md): How to use Tufty in Squirrel365: open the panel, start and revisit chats, attach images and documents, and give feedback or report a bug.
- [How to Prompt Tufty](https://learn.squirrel365.io/the-designer/tufty-ai/how-to-prompt-tufty.md): Practical tips for prompting Tufty in Squirrel365: work in small steps, be specific, add context, and course-correct to get the results you want.