Issue accessing comments from the tickets using ZAF client and JS

I am trying to fetch the contents of the comments on a zendesk ticket using ZAF client in js but it keeps giving me “undefined”.

eg code -

```

const ticketData = await client.get(['ticket.status', 'currentUser.name',  'ticket.comments']);

const comments = ticketData['ticket.comments'];

const commentContent=comments[0].body;

```

I also tried fetching the comments using the API - GET /api/v2/tickets/{ticket_id}/comments, and then using .body on one of the comments and still the same issue.

When I do a curl i do see the JSON response but when using 

commentContent=comments[0].body I get undefined.

Could you please help me understand how to fetch the contents of the comments?