// Add this to the completePaymentButton click handler function addToSquarespaceCart() { const variantId = getVariantIdForShippingOption(selectedShippingOption.name); const quantity = 1; // Use Squarespace's JavaScript API window.Squarespace.globalCart.addItem({ variantId: variantId, quantity: quantity }).then(() => { // Redirect to checkout window.location.href = '/checkout'; }).catch(error => { console.error('Error adding to cart:', error); alert('There was an error processing your request. Please try again.'); }); } function getVariantIdForShippingOption(optionName) { // Replace these with your actual variant IDs from Squarespace const variantMap = { 'Standard Shipping': '12345-abcde', 'Expedited Shipping': '67890-fghij', 'Premium Enclosed': '54321-klmno' }; return variantMap[optionName] || variantMap['Standard Shipping']; }