AWS Lambda hanlder for DynamoDB Stream

index.js

exports.handler = async(event) => {

    const eventName = event.Records[0].eventName;
    const dynamodbRecord = event.Records[0].dynamodb;

    if (eventName === 'REMOVE') {

      const email = dynamodbRecord.OldImage.email.S;
      console.log("Sending email to : " + email);

      //code to send email

    }
    else {
        console.log("Event is " + eventName + ", Skipping execution");
    }

    const response = {
        statusCode: 200,
        body: JSON.stringify('Success'),
    };
    return response;
};