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With these adjustments, when a customer clicks the Add to Cart button, it will trigger the form action to display the Pre-Checkout Upsell Modal, provided the item tags match the configured triggers. If the customer accepts the offer, the upsell item will be added to the cart, and the process will continue to checkout. If the customer declines the offer, the checkout will proceed normally, without the upsell item being added.
Important Notes
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Note: If your pre-checkout upsell targets specific item IDs or tags, ensure at least one qualifying item is in the cart to trigger the preview.
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