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orchardcore-checkout

Skill for the CrestApps Orchard Core Checkout framework (CrestApps.OrchardCore.Checkout, CrestApps.OrchardCore.Checkout.TestProvider, CrestApps.OrchardCore.Checkout.Api). Covers starting a checkout from a custom module with ICheckoutEngine and StartCheckoutRequest (ReturnUrl, ReturnText, Title, OwnerId), steps and BillingItem lines through ICheckoutHandler and CheckoutHandlerBase, completion, failure, cancel and expiry hooks, CheckoutFlowDisplayDriver, CheckoutSession and CheckoutInvoice, guest ownership, the payment ledger and compensation refunds, the Test payments provider, discounts before tax with ICheckoutDiscountProvider, the Coupon catalog and Coupons recipe step, coupons limited by CheckoutDiscountScope and on transaction payments, tenders with ICheckoutTenderProvider, payment gates and the Checkout API. Use it when requests mention Orchard Core checkout, taking a payment from a custom module, checkout steps, coupons, discount codes, test payments, or a checkout that does not complete.

plugins/crestapps-orchardcore/skills/orchardcore-checkout/SKILL.md

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# CrestApps Orchard Core Checkout

Checkout is the one path that takes money in the CrestApps commerce suite. Orders, subscriptions, transaction pay links, installment plans, bookings and the point of sale all start a checkout session through `ICheckoutEngine`; payment providers settle it; handlers decide what a completed checkout means. It is not a storefront: a consuming module contributes what is bought and reacts to the outcome.

Related skills: `orchardcore-commerce` (suite map and API conventions), `orchardcore-payments` (provider contracts, Stripe, refunds, installment plans), `orchardcore-transactions` (the ledger of money owed), `orchardcore-pay-later` (offline methods), `orchardcore-carts` and `orchardcore-orders` (the `Order` reference type), `orchardcore-taxation`, `orchardcore-shipping`, `orchardcore-customers` (Contact step, store credit, points).

## Features

| Feature ID | Name | Adds | Depends on |
| --- | --- | --- | --- |
| `CrestApps.OrchardCore.Checkout` | Checkout | Engine, public checkout pages, payment endpoints, coupons, tenders, refund and reconciliation services, **Settings > Commerce > Checkout** | `CrestApps.OrchardCore.Commerce` |
| `CrestApps.OrchardCore.Checkout.TestProvider` | Test payments | Provider key `test` that confirms every payment without moving money | Checkout |
| `CrestApps.OrchardCore.Checkout.Api` | Checkout API | Checkout endpoints in the commerce JSON API (`api/commerce/v1`) | Checkout |