Define a Validation Rule in an MDK App
Beginner
10 min.
Write a JavaScript logic to validate an email address format in an MDK app.
You will learn
- How to write a rule to validate an UI field
When allowing end-users to make updates to data, it is important to add validation rules to verify that they are entering valid information.
If the Update action fails due to the validation rule, the application will display a validation failure message to the end-user.
