> For the complete documentation index, see [llms.txt](https://taskopad.gitbook.io/mobile-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://taskopad.gitbook.io/mobile-guide/fundamentals/add-on-feature.md).

# Add on Feature

- [Custom Fields](https://taskopad.gitbook.io/mobile-guide/fundamentals/add-on-feature/custom-fields.md)