# `Stripe.Resources.BillingPortal.Session.Flow.SubscriptionUpdate`
[🔗](https://github.com/jeffhuen/tiger_stripe/blob/main/lib/stripe/resources/billing_portal/session.ex#L195)

Nested struct within the parent resource.

# `t`

```elixir
@type t() :: %Stripe.Resources.BillingPortal.Session.Flow.SubscriptionUpdate{
  subscription: String.t() | nil
}
```

* `subscription` - The ID of the subscription to be updated. Max length: 5000.

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