> For the complete documentation index, see [llms.txt](https://www.bfm-unity.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.bfm-unity.org/3.0.0-1/bfm-eco.-bi-fang-meng-sheng-tai/flow.md).

# Flow