> For the complete documentation index, see [llms.txt](https://docs.emobiq.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emobiq.com/emobiq-server/005-function/validation.md).

# Validation

- [Validation.isEmail](https://docs.emobiq.com/emobiq-server/005-function/validation/validation.isemail.md)
- [Validation.isList](https://docs.emobiq.com/emobiq-server/005-function/validation/validation.islist.md)
- [Validation.isNull](https://docs.emobiq.com/emobiq-server/005-function/validation/validation.isnull.md)
- [Validation.isNumber](https://docs.emobiq.com/emobiq-server/005-function/validation/validation.isnumber.md)