openapi: 3.0.1
info:
  title: HelloWorldExample2
  version: 1.0.0
servers:
  - url: /v1
paths:
  /hello:
    get:
      responses:
        '200':
          description: OK
          content: {}
      security:
        - api_key: []
      x-amazon-apigateway-auth:
        type: none
      x-amazon-apigateway-integration:
        type: aws_proxy
        uri: 
          Fn::Sub: ${HelloWorldFunction.Arn}
        httpMethod : POST
        payloadFormatVersion: 2.0