Kuika's Is Verification Code Valid action is used to check the validity of the verification code sent to a user. By verifying that the code is correct and has expired, it allows the user to proceed securely through the authentication process. The verification code is often used in additional layers of security, such as two-factor authentication, which helps to confirm a user's access to the system or transactions by checking that the code is valid. In this tutorial, you will learn how to check the validity of the verification code you send to your users using the Is Verification Code Valid action.