https://www.progress.com/documentation/sitefinity-cms/81/for-developers-add-custom-fields-to-the-checkout-widget
Add custom fields to the Checkout widget - Sitefinity CMS Ecommerce
add custom fieldsthe checkoutsitefinity cmswidgetecommerce
https://www.stattimes.com/news/etailers-can-now-add-ups-access-point-locations-to-the-checkout-process-logistics
E-tailers can now add UPS Access Point Locations to the checkout process
to the checkoutaccess pointaddupslocations
https://apps.shopify.com/payster-payment-email-reminder?locale=th
Add payment QR code to the checkout and recover unpaid... | Shopify App Store
Use Payster to recover your lost sales by reminding customers to pay for the order. Add QR code to the checkout for seamless payment.
to the checkoutshopify app storeqr codeaddpayment
https://docs.gravityforms.com/migrating-from-legacy-paypal-add-ons-to-the-paypal-checkout-add-on/
Migrating From Legacy PayPal Add-Ons to the PayPal Checkout Add-On - Gravity Forms Documentation
Jan 13, 2026 - Step-by-step guide for migrating legacy PayPal add-ons to PayPal Checkout in Gravity Forms to avoid deprecated APIs and future payment failures.
to the checkoutadd onsgravity formsmigratinglegacy
https://www.weforum.org/videos/healthy-food-checkout/
People buy healthier food if it's displayed next to the checkout | World Economic Forum
Learn how simple changes in supermarkets and beyond can nudge us towards healthier choices based on the findings of this research.
to the checkoutworld economic forumhealthier foodpeoplebuy