How to Create a Validation Function?⚡

Use a Validation Function to enforce rules during the cart or checkout process, ensuring data accuracy and a seamless customer experience. Follow the steps below:

Step 1: Create the Function

• Navigate to the Nexus Dashboard and click Create Function.

• Select Validation Functions from the list.

Step 2: Choose Validation Type

• Click on Conditional Cart & Checkout Validation.

• A setup screen will appear.

Step 3: Configure Basic Settings

• Enter the Function Name.

• Select the Function Input Type.

• Choose conditions based on your specific requirements (e.g., customer tags, cart total, shipping method).

Step 4: Add a Validation Error

• Click on Add Validation Error to begin setting up your validation rule.

• A popup will appear.

Step 5: Define the Validation Details

• Select the User Journey: Choose the page where the error should appear (e.g., Cart or Checkout).

• Select the Target: Define the specific field or section (e.g., Email, Phone, Address).

• Enter the Error Message: This is the message customers will see when validation fails.

• You can add multiple validation errors if needed.

Step 6: Configure Validation Settings

To ensure your function works correctly and is enforced during checkout:

• Scroll down to the Validation Settings section.

• Check the box labeled Active to enable the validation function.

• Check Block on failure if you want the checkout to stop when the conditions of your function are not met (e.g., if the required bundle items aren't in the cart).

• Once everything is set, click Save to create your validation function.

🎉 You're all set! Enjoy a smarter, smoother checkout experience with Nexus Function. 😊

To explore examples and better understand how different functions work, visit our FAQs section — it’s packed with helpful guides, use cases, and setup examples.