docs/versions/9.3.0/rules/lib/builtins/Subrule.mdx

---
title: 'Subrule'
---
Experimental: a building block for writing rules with shared code. For more information, please see the subrule proposal: https://docs.google.com/document/d/1RbNC88QieKvBEwir7iV5zZU08AaMlOzxhVkPnmKDedQ