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I am developing an application with Amazon AWS and what I am trying to achieve is to attach a lambda function to DynamoDB table, so after a new row is added, the lambda function is triggered. In the above-mentioned lambda function, I want to add the functionality to send a push notification with Amazon SNS service, but I could not find any information in their documentation if that is possible and if it is, what exactly needs to be done to get it working? What I found in their documentation is that you can attach lambda function trigger to an SNS topic, which means that after a notification is pushed then the function is called, but what I am interested in is to send a push notification directly from lambda function. I would appreciate if someone shed some light on this topic for me.