> For the complete documentation index, see [llms.txt](https://docs.klai.studio/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.klai.studio/engineering-reference-docs/setting-up-auth0/creating-a-database/choosing-different-login-options/creating-new-bf-users.md).

# Creating new BF Users

In case the application will allow users to register using OAuth, an <mark style="color:red;">`onBeforeRegistrationhook`</mark> needs to be added to your business file, and it’s documented [here](https://docs.fmbetterforms.com/reference/users-and-authentication/oauth#before-registration-hook-business-file).