Log in to the AWS Management Console and navigate to AWS Lambda.
Click create new function then you will see this window.
Select Runtime environment but blueprint (sample code) only for node.js and python
There are two example conation for alexa skills kit. You can filter those thing.
By selection one of these blue print. You can view Configure triggers window you can next it by filling required field.
In Configure function window you can add name for your lambda function and have to add role for function execution.
Now you can create function.
In ths window select alexa event template. Template name is depend on you selected blueprint
After selection this template you can test your code sample.