message: streamline fn
diff: exports.handler = async function(event:any) {
  // return response back to upstream caller
  - return sendRes(200, 'Hello World!');
  -};
  -
  -const sendRes = (status:number, body:string) => {
  - var response = {
  - statusCode: status,
  - headers: {
  - "Content-Type": "text/html"
  - },
  - body: body
  - };
  - return response;
  + return 'Hello World!';
  };
  \ No newline at end of file
  