# `Stripe.Params.V2.Core.AccountTokenCreateParams.Identity.BusinessDetails.Documents.PrimaryVerification.FrontBack`
[🔗](https://github.com/jeffhuen/tiger_stripe/blob/main/lib/stripe/params/v2/core/account_token_create_params.ex#L380)

Nested parameters.

# `t`

```elixir
@type t() ::
  %Stripe.Params.V2.Core.AccountTokenCreateParams.Identity.BusinessDetails.Documents.PrimaryVerification.FrontBack{
    back: String.t() | nil,
    front: String.t() | nil
  }
```

* `back` - A [file upload](https://docs.stripe.com/api/persons/update#create_file) token representing the back of the verification document. The purpose of the uploaded file should be 'identity_document'. The uploaded file needs to be a color image (smaller than 8,000px by 8,000px), in JPG, PNG, or PDF format, and less than 10 MB in size.
* `front` - A [file upload](https://docs.stripe.com/api/persons/update#create_file) token representing the front of the verification document. The purpose of the uploaded file should be 'identity_document'. The uploaded file needs to be a color image (smaller than 8,000px by 8,000px), in JPG, PNG, or PDF format, and less than 10 MB in size.

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