Unknown name "personFields": Cannot bind query parameter. Field 'personFields' could not be found in request message.

Hi, all. I'm attempting to retrieve the contacts within a contact group. It seems I've done this correctly, as my code shows; however, it claims that there is no "personFields" parameter, but there is. Thank you.

```
people.people.get({
auth: oauth2Client,
personFields: ['phoneNumbers'],
resourceName: group.resourceName
}).then((response) => {
console.log(response);
}).catch(err => res.send("Sorry, there was an error completing your request. Please try again, or contact the web master."));
```