import Telnyx from 'telnyx';

const client = new Telnyx({
  apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted
});

const comments = await client.portouts.comments.list('182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e');

console.log(comments.data);

{
  "data": [
    {
      "id": "0ccc7b54-4df3-4bca-a65a-3da1ecc777f0",
      "record_type": "portout",
      "body": "This is a comment",
      "portout_id": "0ccc7b54-4df3-4bca-a65a-3da1ecc777f0",
      "user_id": "0ccc7b54-4df3-4bca-a65a-3da1ecc777f0",
      "created_at": "2018-02-02T22:25:27.521Z"
    }
  ],
  "meta": {
    "total_pages": 13,
    "page_number": 3,
    "total_results": 13,
    "page_size": 1
  }
}