# `Stripe.Params.Terminal.ReaderSetReaderDisplayParams.Cart`
[🔗](https://github.com/jeffhuen/tiger_stripe/blob/main/lib/stripe/params/terminal/reader_set_reader_display_params.ex#L18)

Nested parameters.

# `t`

```elixir
@type t() :: %Stripe.Params.Terminal.ReaderSetReaderDisplayParams.Cart{
  currency: String.t() | nil,
  line_items:
    [Stripe.Params.Terminal.ReaderSetReaderDisplayParams.Cart.LineItems.t()]
    | nil,
  tax: integer() | nil,
  total: integer() | nil
}
```

* `currency` - Three-letter [ISO currency code](https://www.iso.org/iso-4217-currency-codes.html), in lowercase. Must be a [supported currency](https://stripe.com/docs/currencies). Format: ISO 4217 currency code.
* `line_items` - Array of line items to display.
* `tax` - The amount of tax in the [smallest currency unit](https://docs.stripe.com/currencies#zero-decimal).
* `total` - Total balance of cart due 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*