> For the complete documentation index, see [llms.txt](https://docs.digitalriver.com/salesforce-lightning/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.digitalriver.com/salesforce-lightning/salesforce-lightning-b2b-commerce-app-2.0/integrate-the-salesforce-lightning-app/step-17-integrate-the-digital-river-components-into-the-checkout-flow/integrate-the-digital-river-components-into-an-asynchronous-checkout-flow.md).

# Integrate the Digital River components into an asynchronous checkout flow

Use the information in this section to integrate the Digital River components into an asynchronous checkout flow.

Use the following information to integrate the Digital River components into an asynchronous checkout flow:

* [Custom components used in the checkout subflows](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-2.0/integrate-the-salesforce-lightning-app/step-17-integrate-the-digital-river-components-into-the-checkout-flow/integrate-the-digital-river-components-into-an-asynchronous-checkout-flow/custom-components-used-in-the-checkout-subflows.md)
* [Subflow configuration](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-2.0/integrate-the-salesforce-lightning-app/step-17-integrate-the-digital-river-components-into-the-checkout-flow/integrate-the-digital-river-components-into-an-asynchronous-checkout-flow/subflow-configuration.md)
* [Configure the main checkout flow](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-2.0/integrate-the-salesforce-lightning-app/step-17-integrate-the-digital-river-components-into-the-checkout-flow/integrate-the-digital-river-components-into-an-asynchronous-checkout-flow/configure-the-main-checkout-flow.md)

{% hint style="info" %}
**Note:**  This section is used to integrate an asynchronous checkout flow. If you are implementing a synchronous checkout flow, refer to [Integrate the Digital River components into a synchronous checkout flow.](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-2.0/integrate-the-salesforce-lightning-app/step-17-integrate-the-digital-river-components-into-the-checkout-flow/integrate-the-digital-river-components-into-a-synchronous-checkout-flow.md)
{% endhint %}