CrossmintCheckoutLineItem

Flutter Sealed Class

Sealed Class

A single asset to purchase in a checkout order.

sealed class CrossmintCheckoutLineItem

Use the named factory constructors to create line items:

• CrossmintCheckoutLineItem.collection — primary sale from a managed or imported collection. Supports optional callData for contract mint args.
• CrossmintCheckoutLineItem.token — secondary sale of a specific token, with optional callData for contract arguments.
• CrossmintCheckoutLineItem.tokenWithExecutionParameters — secondary sale (e.g. memecoin swap) with execution parameters controlling amount, mode, and slippage. Mutually exclusive with callData.
• CrossmintCheckoutLineItem.product — product-based purchase using a Crossmint product locator.
• CrossmintCheckoutLineItem.raw — forward-compatible escape hatch for line-item shapes not yet modeled by the SDK.

Constructors

CrossmintCheckoutLineItem

const CrossmintCheckoutLineItem()

CrossmintCheckoutLineItem.collection

factory CrossmintCheckoutLineItem.collection({
  required String collectionLocator,
  Map<String, Object?>? callData,
  Map<String, Object?> additionalFields,
}) = CrossmintCheckoutCollectionLineItem

Creates a collection line item for primary sales.

CrossmintCheckoutLineItem.token

factory CrossmintCheckoutLineItem.token({
  required String tokenLocator,
  Map<String, Object?>? callData,
  Map<String, Object?> additionalFields,
}) = CrossmintCheckoutTokenLineItem

Creates a token line item for secondary sales with optional callData.

CrossmintCheckoutLineItem.tokenWithExecutionParameters

factory CrossmintCheckoutLineItem.tokenWithExecutionParameters({
  required String tokenLocator,
  required Map<String, Object?> executionParameters,
  Map<String, Object?> additionalFields,
}) = CrossmintCheckoutTokenExecutionLineItem

Creates a token line item with execution parameters for secondary sales (e.g. memecoins with slippage and amount control).

CrossmintCheckoutLineItem.product

factory CrossmintCheckoutLineItem.product({
  required String productLocator,
  Map<String, Object?> additionalFields,
}) = CrossmintCheckoutProductLineItem

Creates a product line item identified by a Crossmint productLocator. Use this for catalog-managed product purchases where the price and SKU are resolved server-side from the locator.

CrossmintCheckoutLineItem.raw

factory CrossmintCheckoutLineItem.raw({required Map<String, Object?> value}) =
CrossmintCheckoutRawLineItem

Forward-compatible escape hatch — passes value verbatim to the Crossmint orders API as the line item shape. Use when a new line-item field is not yet modeled by the typed factories above.