# Extend the Salesforce Lightning app

- [Extend the Ship From address](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/extend-the-ship-from-address.md): Learn how to extend the Ship From Address.
- [Extend the webhook framework](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/extend-the-webhook-framework.md): Learn how to extend the webhook framework.
- [Configure subscriptions](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/configure-subscriptions.md): Learn how to configure the Digital River app for subscriptions.
- [Shipping choice extension point](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/shipping-choice-extension-point.md): Learn how to configure the shipping choice extension point
- [Customer credit](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customer-credit.md): Learn how to enable the customer credit feature.
- [addCustomerCreditSourceToCheckout](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customer-credit/addcustomercreditsourcetocheckout.md): Learn how to add a Customer Credit source to checkout.
- [deattachPaymentToCheckout](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customer-credit/deattachpaymenttocheckout.md): Learn how to delete the customer credit payment source from checkout.
- [getAmountRemainingforCheckout](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customer-credit/getamountremainingforcheckout.md): Learn how to get the remaining amount available for checkout.
- [getCartDetailsById](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customer-credit/getcartdetailsbyid.md): Learn how to validate whether the cart contains a subscription product.
- [Publishing connector events](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customer-credit/publishing-connector-events.md): Learn how to trigger connector events when using customer credit.
- [Tax calculation](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/tax-calculation.md): Learn about how tax calculation works when you use the Salesforce Lightning app.
- [Overriding Digital River CSS](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/overriding-digital-river-css.md): Learn how to override the Digital River CSS.
- [Customizing the Lightning web components](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components.md): Learn how to customize the Lightning web components.
- [Designer attributes](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/designer-attributes.md): Understand the purpose of the provided designer attributes.
- [Components](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components.md): Learn how to customize the Lightning web components.
- [Buyer info component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/buyer-info-component.md): Learn how to use the Buyer Info component.
- [Tax certificate component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/tax-certificate-component.md): Learn how to use the tax certificate checkout component.
- [DR util component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/dr-util-component.md): Learn how to use the DR Util component.
- [DR Terms component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/dr-terms-component.md): Learn how to use the DR terms component.
- [Checkout summary component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/checkout-summary-component.md): Learn how to use the Checkout summary component
- [Hide checkout summary component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/hide-checkout-summary-component.md): Learn how to use the hide checkout summary component.
- [Order Summary component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/order-summary-component.md): Learn how to use the Order Summary component.
- [Place order component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/place-order-component.md): Learn how to use the place order component.
- [Payments component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/payments-component.md): Learn how to use the Payments component for various use cases.
- [Payment details component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/payment-details-component.md): Learn how to use the Payment details component.
- [Tax identifier component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/tax-identifier-component.md): Learn about the Tax identifier component.
- [DR compliance component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/dr-compliance-component.md): Learn about the DR compliance component.
- [Address details component](/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/extend-the-salesforce-lightning-app/customizing-the-lightning-web-components/components/address-details-component.md): Learn how to use the Address details component.