# `Stripe.Params.TestHelpers.ConfirmationTokenCreateParams.PaymentMethodData.Klarna`
[🔗](https://github.com/jeffhuen/tiger_stripe/blob/main/lib/stripe/params/test_helpers/confirmation_token_create_params.ex#L325)

Nested parameters.

# `t`

```elixir
@type t() ::
  %Stripe.Params.TestHelpers.ConfirmationTokenCreateParams.PaymentMethodData.Klarna{
    dob:
      Stripe.Params.TestHelpers.ConfirmationTokenCreateParams.PaymentMethodData.Klarna.Dob.t()
      | nil
  }
```

* `dob` - Customer's date of birth

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