# Validation

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