# `Stripe.Params.PaymentMethodUpdateParams.Card.Networks`
[🔗](https://github.com/jeffhuen/tiger_stripe/blob/main/lib/stripe/params/payment_method_update_params.ex#L69)

Nested parameters.

# `t`

```elixir
@type t() :: %Stripe.Params.PaymentMethodUpdateParams.Card.Networks{
  preferred: String.t() | nil
}
```

* `preferred` - The customer's preferred card network for co-branded cards. Supports `cartes_bancaires`, `mastercard`, or `visa`. Selection of a network that does not apply to the card will be stored as `invalid_preference` on the card. Possible values: `cartes_bancaires`, `mastercard`, `visa`.

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