What is Amazon CloudWatch?
Amazon CloudWatch monitors your Amazon Web Services (AWS) resources and the applications you run on AWS in real-time. You can use CloudWatch to collect and track metrics, which are variables you can measure for your resources and applications.
What is Amazon SNS?
Amazon Simple Notification Service is a notification service provided as part of Amazon Web Services since 2010. It provides a low-cost infrastructure for the mass delivery of messages, predominantly to mobile users.
Task :
Create a CloudWatch alarm that monitors your billing and sends an email to you when it reaches $5.
Log in to the AWS Management Console and navigate to Billing Dashboard > Billing Preference and Eenable Cloudwatch billing alerts
Now navigate to the CloudWatch > Billing (Left side panel) > Create Alarm
Conditions
Additional configuration can be optional, so click on Next
Configure actions
Click on Create topic
Click on Next
Name and description
Click on Next
Preview and create
Click on Create Alarm
A billing alarm is created
Activate the pending subscription by requesting the confirmation to your email
Due to some issue, I was not able to receive the confirmation through
So I added request confirmation through mobile number
Go to SNS and active the Text messaging (SMS) > Subscribe number to topic
Deleting the alarm now
Cloudwatch > Alarm > All alarms
Select the alarm and go actions and Clic on Delete