import DodoPayments from 'dodopayments';

const client = new DodoPayments({
  bearerToken: 'My Bearer Token',
});

const refund = await client.refunds.create({ payment_id: 'payment_id' });

console.log(refund.business_id);

{
  "amount": 123,
  "business_id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "currency": null,
  "is_partial": true,
  "payment_id": "<string>",
  "reason": "<string>",
  "refund_id": "<string>",
  "status": "succeeded"
}