I have the following function, which is called when a google forms is submitted. I'm trying to concatenate all answers into a single array that's gonna be used latter:

```
function onFormSubmit(e) {
var respostas = e.namedValues;

for(item in respostas){
    rp = rp.concat(respostas[item]);
  }
}

```

But I would like to drop the timestamp that comes together with the answers. I can access it with `respostas['Timestamp']`, but I can't find a way to drop or ignore it. The [documentation](https://developers.google.com/apps-script/guides/triggers/events#form-submit) didn't help much.