import Courier from '@trycourier/courier';

const client = new Courier({
  apiKey: 'My API Key',
});

const audience = await client.audiences.update('audience_id');

console.log(audience.audience);

{
  "audience": {
    "id": "<string>",
    "name": "<string>",
    "description": "<string>",
    "filter": {
      "operator": "ENDS_WITH",
      "value": "<string>",
      "path": "<string>"
    },
    "created_at": "<string>",
    "updated_at": "<string>"
  }
}