> For the complete documentation index, see [llms.txt](https://doc.yuncitys.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.yuncitys.com/shu-ju-chu-li-gui-ze-yin-qing/gui-ze-lian-gong-neng-jie-dian.md).

# 规则链功能节点

- [Filter](https://doc.yuncitys.com/shu-ju-chu-li-gui-ze-yin-qing/gui-ze-lian-gong-neng-jie-dian/filter.md)
- [Enrichment](https://doc.yuncitys.com/shu-ju-chu-li-gui-ze-yin-qing/gui-ze-lian-gong-neng-jie-dian/enrichment.md): Enrichment节点用于更新入站消息的元数据。
- [Transformation](https://doc.yuncitys.com/shu-ju-chu-li-gui-ze-yin-qing/gui-ze-lian-gong-neng-jie-dian/transformation.md)
- [Action](https://doc.yuncitys.com/shu-ju-chu-li-gui-ze-yin-qing/gui-ze-lian-gong-neng-jie-dian/action.md)
- [外部节点](https://doc.yuncitys.com/shu-ju-chu-li-gui-ze-yin-qing/gui-ze-lian-gong-neng-jie-dian/wai-bu-jie-dian.md)