# `Stripe.Params.PromotionCodeCreateParams.Promotion`
[🔗](https://github.com/jeffhuen/tiger_stripe/blob/main/lib/stripe/params/promotion_code_create_params.ex#L45)

Nested parameters.

# `t`

```elixir
@type t() :: %Stripe.Params.PromotionCodeCreateParams.Promotion{
  coupon: String.t() | nil,
  type: String.t() | nil
}
```

* `coupon` - If promotion `type` is `coupon`, the coupon for this promotion code. Max length: 5000.
* `type` - Specifies the type of promotion. Possible values: `coupon`.

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