> For the complete documentation index, see [llms.txt](https://docs.ohmyapp.io/main/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ohmyapp.io/main/guide/develop_app/command-execute-function/create-logic/util.md).

# Util

데이터를 변환할 때 또는 원하는 데이터를 추출할 때 사용해요.