1. Implementing DynamoDB triggers (streams) using CloudFormation

  2. Using parameters through multiple nested CloudFormation stacks

  3. Integrate API Gateway with SNS using CloudFormation

  4. Integrate API Gateway with Kinesis Firehose using CloudFormation

  5. visualizing a cloudformation template

  6. extending cloudformation with custom resources

  7. hosting a Cloudfront site with S3 and API Gateway

  8. a serverless cron in AWS CloudFormation

  9. Publish an S3 Event to Lambda through SNS