import Finch from '@tryfinch/finch-api';

const client = new Finch({
  accessToken: 'My Access Token',
});

const response = await client.hris.benefits.individuals.enrolledIds('benefit_id');

console.log(response.benefit_id);

{
  "benefit_id": "6547e3aa-d887-4a77-bd41-17221e17cce3",
  "individual_ids": [
    "7fc9fb3a-2a62-47c1-9a5a-c9146483b58e"
  ]
}