# `Stripe.Params.TestHelpers.Treasury.OutboundTransferUpdateParams.TrackingDetails`
[🔗](https://github.com/jeffhuen/tiger_stripe/blob/main/lib/stripe/params/test_helpers/treasury/outbound_transfer_update_params.ex#L16)

Nested parameters.

# `t`

```elixir
@type t() ::
  %Stripe.Params.TestHelpers.Treasury.OutboundTransferUpdateParams.TrackingDetails{
    ach:
      Stripe.Params.TestHelpers.Treasury.OutboundTransferUpdateParams.TrackingDetails.Ach.t()
      | nil,
    type: String.t() | nil,
    us_domestic_wire:
      Stripe.Params.TestHelpers.Treasury.OutboundTransferUpdateParams.TrackingDetails.UsDomesticWire.t()
      | nil
  }
```

* `ach` - ACH network tracking details.
* `type` - The US bank account network used to send funds. Possible values: `ach`, `us_domestic_wire`.
* `us_domestic_wire` - US domestic wire network tracking details.

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