# Validation

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