Salesforce Certified B2B Commerce Developer Practice Test - Questions Answers, Page 20

To debug a flow with detailed tracing of a single input, including watching all variable changes as the checkout process is executed, the developer should enable 'Show execution details' (inline) within the Flow Debugger. This feature allows developers to see a step-by-step execution of the flow, including the values of variables at each step. This is crucial for understanding how data is being passed through the flow and for identifying any issues. Salesforce documentation on debugging flows provides more information on this feature: Salesforce Flow Debugging Documentation.

In the context of Salesforce debug logs, code units represent discrete units of work within a transaction. Apex classes (B), Web service invocations (C), and Workflow invocations (E) are considered code units as they encapsulate specific operations or sets of logic that can be executed as part of a transaction. Validation rules (A) and the loading of Lightning components (D) are not considered discrete units of work in the same way, as they are part of the declarative interface and front-end framework, respectively. For more details on how Salesforce handles transactions and debug logs, refer to the Salesforce Developer Documentation: Salesforce Developer Documentation on Transactions and Debug Logs.

To override pricing during the checkout process in Salesforce B2B Commerce, a developer must implement a class specifically designed for this purpose, such as sfdc_checkout.CartPriceCalculations. This class would provide the necessary framework for custom pricing logic to be applied during checkout, ensuring that any custom pricing requirements are met.

For maintainable and scalable Lightning Web Component development, it's recommended to style components by targeting the :host pseudo-element in the component's CSS file and by applying Salesforce Lightning Design System (SLDS) classes to internal elements. These practices ensure consistent styling that aligns with Salesforce's design standards and provides a clear separation of concerns between component structure and styling.

To retrieve metadata about a specific object in a Lightning Web Component, a developer can use the getObjectInfo wire adapter. This adapter provides access to the metadata of a specified Salesforce object, including fields, record types, and layouts, which is essential for dynamic component rendering based on the object's schema.

To bring picklist values into a Lightning Web Component (LWC), a developer needs to import specific modules from the lwc and lightning/uiObjectInfoApi namespaces. The getPicklistValues function from the lightning/uiObjectInfoApi module is used to fetch the picklist values based on record type and field metadata. Additionally, importing { LightningElement, wire } from lwc is essential for defining the LWC class and using the @wire decorator to wire the getPicklistValues to a property or function. Salesforce documentation on LWC and utilizing the uiObjectInfoApi provides clear guidelines on how to implement this functionality.

For a solution that requires handling complex tax calculations across multiple countries and jurisdictions, it's efficient to leverage third-party tax services that specialize in this area. Implementing the sfdc_checkout.CartTaxCalculations or sfdc_checkout.TaxCalculations interface to integrate with such a service ensures that tax calculations are accurate and up-to-date. Additionally, exploring the Salesforce AppExchange for packages or sample code can provide ready-made solutions or frameworks that can expedite the development process.

To debug a specific block of Apex code, the Execute Anonymous window in the Salesforce Developer Console or an Integrated Development Environment (IDE) like Visual Studio Code with the Salesforce Extension Pack can be used. This tool allows developers to run Apex code snippets in isolation and observe the results immediately, which is valuable for identifying and resolving defects within specific code blocks.

To investigate a suspected bug in a checkout flow, comparing previous versions of the flow with the current one can help identify changes that might have introduced the bug. Additionally, Salesforce provides debugging capabilities within the Flow Builder, where a developer can select the debug option, provide input values known to trigger the issue, and execute the flow to observe its behavior, aiding in pinpointing the source of the problem.