raffle.js

// ...
const raffleObject = {
  product: product.handle,
  variant: form.size,
  timestamp,
  identity_no: identityNo,
  instagram_handle: instagramHandle,
  phone,
};
CF.customer.set('raffle', [raffleObject]);

const result = await CF.customer.save({
  redirect: true,
  saveColumns: [
    'raffle',
  ],
});