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Skills are like apps for Alexa. With an interactive voice interface, Alexa gives users a hands-free way to interact with your skill. Here, we build a custom Alexa skill for interaction/communication between the end-user and the ground control station

Steps to reproduce the custom Alexa skill:

  • Create a custom skill from scratch in the Alexa console using an amazon developer account
  • Upload the schema definition json file in your new skill's Interaction Model > JSON Editor and save
  • On successfully cloning schema to your skill, all that has to be done is set up a lambda function
  • Use the provided lambda directory which is written in Node.js 16.x to install npm modules in your local environment
  • After installing modules, compress all files in the directory into a .zip file and upload them to your AWS Lambda function
  • Create a DynamoDB table YOUR_TABLE for logging commands given by end-users
  • Now add the table name as a Lambda function's environment variable TABLE: YOUR_TABLE
  • Integrate the lambda function and Alexa skill, using the lambda function's ARN and Alexa skill ID
  • Finally, deploy the lambda function

Known issues

  • WebSocket connections are not persisted by stateless lambda sometimes