const { result, error } = await unprice.realtime.createTicket({
  customerId: "cus_1234567890"
});

if (error) {
  console.error(error.message);
  return;
}

console.log(result);

{
  "ticket": "rt_...",
  "expiresAt": 1778240000000,
  "projectId": "project_1234567890",
  "customerId": "cus_1234567890"
}