SNS (Amazon Simple Notification Services)
Amazon SNS (Amazon Simple Notification Services) is a notification service used to send the notifications to the subscribed endpoint or devices. It is provided as a part of Amazon Web Services. It provides a low-cost infrastructure for the mass delivery of messages, emails, notifications, etc.
Steps to Implementing Amazon SNS
Create topic – you will get the Topic ARN for which you have to send the notification or send the messages.