# `Stripe.Params.TestHelpers.Issuing.TransactionRefundParams`
[🔗](https://github.com/jeffhuen/tiger_stripe/blob/main/lib/stripe/params/test_helpers/issuing/transaction_refund_params.ex#L2)

Parameters for transaction refund.

# `t`

```elixir
@type t() :: %Stripe.Params.TestHelpers.Issuing.TransactionRefundParams{
  expand: [String.t()] | nil,
  refund_amount: integer() | nil
}
```

* `expand` - Specifies which fields in the response should be expanded.
* `refund_amount` - The total amount to attempt to refund. This amount is in the provided currency, or defaults to the cards currency, and in the [smallest currency unit](https://docs.stripe.com/currencies#zero-decimal).

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*Consult [api-reference.md](api-reference.md) for complete listing*