Salesforce Exam B2B Commerce Administrator Topic 4 Question 67 Discussion

To use a sophisticated pricing engine hosted as a service outside the org, the developer must take the following actions:

Make a call to the service. The developer must use an Apex class or a Lightning web component to make a callout to the external service using the appropriate protocol, method, headers, parameters, and body. The developer must also handle the response from the service and parse the data as needed. The developer must ensure that the external service is added to the Remote Site Settings in Salesforce to allow the callout.

Implement the sfdc_checkout.PriceCalculations interface. The developer must implement this interface in an Apex class to override the default pricing logic of B2B Commerce and use the custom pricing logic from the external service. The developer must implement the methods of this interface, such as calculateCartPrice, calculateLineItemPrice, calculateShippingPrice, and so on. The developer must also register the custom pricing class in CC Admin under Storefront > Pricing > Pricing Engine.Reference:

Callouts from Lightning Web Components

Create a Custom Pricing Engine