Some of the major events are -: • New order for a vendor. • Change in Order status. • When a customer/vendor registers succesfully. • When Vendor’s account status changes. • New product of Vendor is added. • Status of Vendor’s product is altered. • Customer places an order.For more information you can check below link:https://cedcommerce.com/magento-2-extensions/marketplace/vendor-twilio-sms-addon