# `Stripe.Params.InvoiceCreatePreviewParams.SubscriptionDetails.Items`
[🔗](https://github.com/jeffhuen/tiger_stripe/blob/main/lib/stripe/params/invoice_create_preview_params.ex#L698)

Nested parameters.

# `t`

```elixir
@type t() :: %Stripe.Params.InvoiceCreatePreviewParams.SubscriptionDetails.Items{
  billing_thresholds: map() | nil,
  clear_usage: boolean() | nil,
  deleted: boolean() | nil,
  discounts: map() | nil,
  id: String.t() | nil,
  metadata: map() | nil,
  plan: String.t() | nil,
  price: String.t() | nil,
  price_data:
    Stripe.Params.InvoiceCreatePreviewParams.SubscriptionDetails.Items.PriceData.t()
    | nil,
  quantity: integer() | nil,
  tax_rates: map() | nil
}
```

* `billing_thresholds` - Define thresholds at which an invoice will be sent, and the subscription advanced to a new billing period. Pass an empty string to remove previously-defined thresholds.
* `clear_usage` - Delete all usage for a given subscription item. You must pass this when deleting a usage records subscription item. `clear_usage` has no effect if the plan has a billing meter attached.
* `deleted` - A flag that, if set to `true`, will delete the specified item.
* `discounts` - The coupons to redeem into discounts for the subscription item.
* `id` - Subscription item to update. Max length: 5000.
* `metadata` - Set of [key-value pairs](https://docs.stripe.com/api/metadata) that you can attach to an object. This can be useful for storing additional information about the object in a structured format. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
* `plan` - Plan ID for this item, as a string. Max length: 5000.
* `price` - The ID of the price object. One of `price` or `price_data` is required. When changing a subscription item's price, `quantity` is set to 1 unless a `quantity` parameter is provided. Max length: 5000.
* `price_data` - Data used to generate a new [Price](https://docs.stripe.com/api/prices) object inline. One of `price` or `price_data` is required.
* `quantity` - Quantity for this item.
* `tax_rates` - A list of [Tax Rate](https://docs.stripe.com/api/tax_rates) ids. These Tax Rates will override the [`default_tax_rates`](https://docs.stripe.com/api/subscriptions/create#create_subscription-default_tax_rates) on the Subscription. When updating, pass an empty string to remove previously-defined tax rates.

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