> ## Documentation Index
> Fetch the complete documentation index at: https://developers.redo.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CheckoutWidgetCollectionSourceInput

> A product from a Shopify collection.

**discount** `[CheckoutWidgetDiscountInput](/docs/api-reference/v3/reference/checkout/checkout-widget-discount-input)`

Discount for this source. Overrides the widget's default.

**fields**

**fixedAmount** `[MoneyInput](/docs/api-reference/v3/reference/common/money-input)`

Amount off.

**fields**

**amount** `[Decimal!](/docs/api-reference/v3/reference/common/decimal)` *required*

The amount as an exact decimal string (e.g. "19.99").

**currency** `String!` *required*

ISO 4217 currency code (e.g. USD).

**percentage** `Float`

Percent off, above 0 and at most 100.

**fallbackIfNotAvailable** `Boolean`

Whether the widget moves on to fallback tags when this source has nothing available.

**shopifyCollectionId** `String!` *required*

The Shopify collection.

**title** `String`

The collection's title, shown in the Redo dashboard.


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