The Order Discount API enables you to create a new type of discount that is applied to all merchandise in the cart. ## Extension targets The Order Discount API exposes the following [targets](/docs/apps/build/app-extensions/configure-app-extensions#targets): | Target | Output type | Description | | ------ | ----------- | ----------- | | `purchase.order-discount.run` | [FunctionRunResult](#functionrunresult) | Outputs the order-level discount that should be applied to the cart | ## Input The `RunInput` object is the complete schema that your function can receive as [input](/docs/apps/build/functions/input-output#input). For a list of fields that the Order Discount API's `Input` object accepts, refer to [Input](/docs/api/functions/reference/order-discounts/graphql/input). ### Example The following example shows an input query: <p> <div class="react-code-block" data-preset="file"> <div class="react-code-block-preload ThemeMode-dim"> <div class="react-code-block-preload-bar "></div> <div class="react-code-block-preload-placeholder-container"> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> </div> </div> <script data-option="filename" data-value="src/run.graphql"></script> <script type="text/plain" data-language="graphql"> query Input { cart { lines { id merchandise { id } } } } </script> </div> </p> The following example shows the resulting input to the query: <p> <div class="react-code-block" data-preset="file"> <div class="react-code-block-preload ThemeMode-dim"> <div class="react-code-block-preload-bar "></div> <div class="react-code-block-preload-placeholder-container"> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> </div> </div> <script data-option="filename" data-value="input.json"></script> <script type="text/plain" data-language="json"> { "cart": { "lines": [ { "id": "gid://shopify/CartLine/0", "merchandise": { "id": "gid://shopify/ProductVariant/0" } }, { "id": "gid://shopify/CartLine/1", "merchandise": { "id": "gid://shopify/ProductVariant/1" } } ] } } </script> </div> </p> ## FunctionRunResult The [`FunctionRunResult`](/docs/api/functions/reference/order-discounts/graphql/functionrunresult) object is the expected [output](/docs/apps/build/functions/input-output#output) for the `purchase.order-discount.run` target. ### Example The following function result includes one discount of 10% off the order subtotal amount: <p> <div class="react-code-block" data-preset="file"> <div class="react-code-block-preload ThemeMode-dim"> <div class="react-code-block-preload-bar "></div> <div class="react-code-block-preload-placeholder-container"> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> <div class="react-code-block-preload-code-container"> <div class="react-code-block-preload-codeline-number"></div> <div class="react-code-block-preload-codeline"></div> </div> </div> </div> <script data-option="filename" data-value="output.json"></script> <script type="text/plain" data-language="json"> { "discountApplicationStrategy": "FIRST", "discounts": [ { "value": { "percentage": { "value": "10.0" } }, "targets": [ { "orderSubtotal": { "excludedVariantIds": [ ] } } ], "message": "10% off" } ] } </script> </div> </p>