I need AWS Lambda expert.

here What we want. We have a workflow which grabs notification data using 2 different Lambda function, which send outputs, one to Flume pipeline, the other to Google PubSub pipeline. Let's imagine these pipeline as in deployed state by using a cloudformation stack. So, AWS has recently announced a new feature. [login to view URL] whenever a new version of code is deployed a new lambda alias is created and some tests are performed, If the test result are satisfactory, the traffic could be gradually shifted to new version otherwise rolled back so we would like to integrate this to our existing workflow, by either enhancing our existing CF templates or creating a new one. this is our existing template. [login to view URL] We would like to integrate this new feature into this.