> For the complete documentation index, see [llms.txt](https://docs.adapptio.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.adapptio.com/getting-started/playground.md). # Playground A fully interactive playground will help you to learn the basics of the Adapptio Editor without any registration. It lives only in your browser and so no data will be persisted. Anytime you are ready to build a real full-featured app just click on the “Build Real App” button in the top right corner. {% embed url="" %}