> For the complete documentation index, see [llms.txt](https://nicolas-heron.gitbook.io/droolsonboarding/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nicolas-heron.gitbook.io/droolsonboarding/brms/implementing_the_reduction_step.md).

# Implementing the Zurich reduction step

## Rule Zurich reduction rule

![](https://2162667257-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M-FWW6zn6BoLbrPp_j8%2F-M-FWXeF2rB74vmY-cqZ%2F-M-FWcPfkT7yFjDYH76O%2Faction01.png?generation=1580825263171565\&alt=media)

![](https://2162667257-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M-FWW6zn6BoLbrPp_j8%2F-M-FWXeF2rB74vmY-cqZ%2F-M-FWcPhC-uLBRFh4J29%2Faction02.png?generation=1580825263281651\&alt=media) Instead of ROUND\_HALF\_DOWN you can put ROUND\_HALF\_UP which will put higher reduction amount.

## Test the Zurich reduction rule

![](https://2162667257-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M-FWW6zn6BoLbrPp_j8%2F-M-FWXeF2rB74vmY-cqZ%2F-M-FWcPjVWYdS98kKh4z%2Faction03.png?generation=1580825263304372\&alt=media)