Update app.js

@@ -88,6 +88,7 @@ async function handleEvent(event) {
       .then(async(stream) => {
       .then(async(stream) => {
         await stream.on('data', (chunk) => {
         await stream.on('data', (chunk) => {
                file=chunk;
                file=chunk;
+               console.log(chunk);
         });
         });
       });
       });
         console.log(file);
         console.log(file);