example lex lambda

handler.js

exports.availability = (event, context, cb) => {
  context.callbackWaitsForEmptyEventLoop = false;
  console.log(event, context);
  return cb(null, {
    dialogAction: {
      type: "Close",
      fulfillmentState: "Fulfilled",
      message: {
        contentType: "PlainText",
        content: "Response from availability lambda"
      }
    }
  });
};

exports.onboarding = (event, context, cb) => {
  context.callbackWaitsForEmptyEventLoop = false;
  console.log(event, context);
  return cb(null, {
    dialogAction: {
      type: "Close",
      fulfillmentState: "Fulfilled",
      message: {
        contentType: "PlainText",
        content: "Response from onboarding lambda"
      }
    }
  });
};

test.json

{
  "messageVersion": "1.0",
  "invocationSource": "FulfillmentCodeHook",
  "userId": "wtu7jir2e3oe1ksgievdfix8jdei4s8x",
  "sessionAttributes": {},
  "requestAttributes": null,
  "bot": {
    "name": "MartinBot",
    "alias": "$LATEST",
    "version": "$LATEST"
  },
  "outputDialogMode": "Text",
  "currentIntent": {
    "name": "MoreNotTheAnswer",
    "slots": {},
    "slotDetails": {},
    "confirmationStatus": "None"
  },
  "inputTranscript": "give me more!"
}