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How-to Updated Aug 16, 2026

Write a custom message

Turn on Use custom message in your rule and enter the message you want customers to see. This message will be shown instead of the default message when the order does not meet the rule.

Applies to
  • All Shopify plans
  • All order limit rules
Doesn't apply to
  • Different messages for different languages — a Premium feature
Need messages in different languages? See Multilingual messages

Steps

1. Install Nex Validator

If Nex Validator is not installed yet, install it from the Shopify App Store and approve the required permissions. If it is already installed, skip to the next step.

2. Open the order limit rule where you want to add a custom message. If you do not have a rule yet, create one first.

3. Turn on Use custom message. Then enter the message you want customers to see in the Custom error message field.

4. Make sure the rule is Enabled, then click Save.

What to write

Instead ofWrite
“Minimum order not met”“Please spend at least $50 to continue.”
“Invalid quantity”“Please order this product in multiples of 6.”
“Cart limit exceeded”“You can order up to 2 of this product.”
“Error”“Please update your cart to continue.”

Verify it worked

Add products to the cart so the order does not meet the rule, then go to checkout. Your custom message should appear instead of the default message.

If you also enabled messages on the cart page, check the cart as well.

A note on tone

Keep the message helpful and easy to understand. Tell the customer what they need to change instead of only saying that something is wrong. Example: “Please add at least 3 items to continue.”

Frequently asked

Can I use the customer's cart total in the message?

Write the message as static text stating your threshold. Do not assume dynamic values are substituted — check what actually renders before relying on it.

How long can it be?

Keep it to one sentence. Checkout is a narrow column and a long message wraps into a wall on mobile.

Can I use HTML?

Treat it as plain text. If you need styling on the cart page, use the Custom CSS field in the cart display settings instead.

See also: Messages · Show the message on the cart page · Create your first limit