> 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-client/006-actions-and-visual-logic/action-reference/cordova/validation.md).

# Validation

- [isArray](https://docs.emobiq.com/emobiq-client/006-actions-and-visual-logic/action-reference/cordova/validation/isarray.md)
- [isEmail](https://docs.emobiq.com/emobiq-client/006-actions-and-visual-logic/action-reference/cordova/validation/isemail.md)
- [isNull](https://docs.emobiq.com/emobiq-client/006-actions-and-visual-logic/action-reference/cordova/validation/isnull.md)
- [isNumber](https://docs.emobiq.com/emobiq-client/006-actions-and-visual-logic/action-reference/cordova/validation/isnumber.md)