- The “checkout_before” event is triggered just before the checkout process starts in Magento.
- It allows you to perform custom actions or modifications before the customer proceeds to the checkout.
- Some common use cases for the “checkout_before” event include:
- Validating or modifying cart items based on specific conditions or requirements.
- Applying custom pricing rules or discounts dynamically.
- Performing additional customer validation or verification.
- Triggering external API calls or integrations related to the checkout process.
- Customizing available shipping or payment methods based on various factors.
- The event provides flexibility to incorporate customizations and business logic to enhance the user experience during the checkout process.
- You can observe the “checkout_before” event by creating a custom module and defining an observer for it.
- The observer’s
execute method is called when the event is triggered, allowing you to execute your custom logic.
https://magento.stackexchange.com/questions/138355/magento-2-check-condition-on-click-of-proceed-to-checkout