import Courier from '@trycourier/courier';

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

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

console.log(notificationTemplateVersionListResponse.paging);

{
  "versions": [
    {
      "version": "v2",
      "created": 1715000400000,
      "creator": "user-1"
    },
    {
      "version": "v1",
      "created": 1715000200000,
      "creator": "user-1"
    }
  ],
  "paging": {
    "more": false
  }
}