Salesforce Updated B2B-Commerce-Developer Exam Questions and Answers by noura

To verify changes by using an external service, a developer can use either of these two ways:

• Create an Apex class that implements the sfdc_checkout.CartShippingCharges interface and defines the getShippingCharges method. This method takes a Cart object as an input parameter and returns a list of CartDeliveryGroupMethod objects with the updated shipping charges. The developer then needs to register the Apex class as the Shipping Calculation Integration in the store administration. This way, the store can call the external service to calculate the shipping charges for each delivery group in the cart.
• Create an Apex class that defines a method to retrieve the shipping charges from an external service and update the Cart Delivery Group Method object. The developer then needs to invoke this method from a trigger on the Cart Delivery Group Method object. This way, the store can update the shipping charges whenever the delivery group method is inserted or updated.

The other options are not valid ways to verify changes by using an external service. Creating a flow using an action is not supported for B2B Commerce, and creating a trigger on the Cart Delivery Group object will not update the shipping charges for each delivery group method. References:

• Integrate with External Services
• CartShippingCharges Interface
• CartDeliveryGroupMethod Object

In Lightning Web Components, to access the DOM elements within the component's template, including those passed into slots, developers usethis.template.querySelector()andthis.template.querySelectorAll(). These methods allow for querying the component's local DOM. Direct DOM manipulation or querying outside the component's template is discouraged to maintain component encapsulation and security. For more information, see the Salesforce LWC documentation on accessing the DOM:Salesforce LWC DOM Access Documentation.

The handlebars helper expression that is used in Salesforce B2B Commerce pages and components to toggle the display of a block of markup is {{#ifConfig ‘Field__c’}} … {{/ifConfig}}. This expression will evaluate the value of the configuration setting with the API name Field__c and render the block of markup if the value is true, or skip it if the value is false. For example, {{#ifConfig 'CO.showMiniCart'}}

Two viable ways that a developer can import some new product data contained in a JSON file one time are running a command like: sfdx force:data:tree:import -f NewProducts.json -u and converting the JSON to a CSV file and using Data Loader to import it. Running a command like: sfdx force:data:tree:import -f NewProducts.json -u allows the developer to import data from a JSON file into an org using Salesforce CLI commands. The sfdx force:data:tree:import command is a Salesforce CLI command that imports data into an org using JSON files that conform to the SObject Tree API specification. The SObject Tree API specification is a format that defines how records are represented in JSON files for data import or export. The -f flag specifies the path of the JSON file that contains the data to be imported. The -u flag specifies the username or alias of the org where the data will be imported. Running this command will create records in the org based on the data in the JSON file. Converting theJSON to a CSV file and using Data Loader to import it allows the developer to import data from a CSV file into an org using Data Loader. Data Loader is a tool that allows users to import or export data between Salesforce and CSV files. The developer can use an online converter or a spreadsheet application to convert their JSON file into a CSV file that matches the structure and format of their Salesforce object. The developer can then use Data Loader to import the CSV file into their org and create records based on the data in the CSV file. Converting the JSON to an xlsx file and using Workbench to import it is not a viable way to import some new product data contained in a JSON file one time, as Workbench does not support xlsx files for data import or export. Workbench is a web-based tool that provides access to various Salesforce features and functionalities, such as data manipulation, REST Explorer, and Apex Execute. Running a command like: sfdx force:data;import:bulk -f NewProducts.json -u is not a viable way either, as there is no such command as sfdx force:data;import:bulk. The correct command for importing data using bulk API is sfdx force:data:bulk:upsert. Salesforce References: [Salesforce CLI Command Reference: force:data:tree:import], [Salesforce Developer Tools for Visual Studio Code], [Data Loader Guide: Import Data into Salesforce], [Workbench], [Salesforce CLI Command Reference: force:data:bulk:upsert]