# `PolarExpress.Schemas.SubscriptionUpdateDiscount`
[🔗](https://github.com/jeffhuen/polar_express/blob/main/lib/polar_express/schemas/subscription_update_discount.ex#L2)

SubscriptionUpdateDiscount

# `t`

```elixir
@type t() :: %PolarExpress.Schemas.SubscriptionUpdateDiscount{
  discount_id: String.t() | nil
}
```

* `discount_id` - Update the subscription to apply a new discount. If set to `null`, the discount will be removed. The change will be applied on the next billing cycle. Nullable.

# `schema_name`

---

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