import Courier from '@trycourier/courier';

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

const notificationContentGetResponse = await client.journeys.templates.retrieveContent('x', {
  templateId: 'x',
});

console.log(notificationContentGetResponse.elements);

{
  "version": "2022-01-01",
  "elements": [
    {
      "id": "elem_channel_1",
      "type": "channel",
      "checksum": "abc123def456",
      "elements": [
        {
          "id": "elem_meta_1",
          "type": "meta",
          "checksum": "meta_abc123"
        },
        {
          "id": "elem_text_1",
          "type": "text",
          "checksum": "text_abc123"
        }
      ]
    }
  ]
}