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 The method signature that is used in the Global API’s is ccrz.cc_Output (ccrz.cc_Input input). This signature indicates that the Global API methods take a single input parameter of type ccrz.cc_Input and return an output of type ccrz.cc_Output. These are custom classes that are defined in the cloudcraze managed package and contain various properties and methods for handling the input and output data. For example, ccrz.ccServiceProduct.getProducts(ccrz.cc_Input input) is a Global API method that takes an input object and returns an output object containing product data. Salesforce References: B2B Commerce and D2C Commerce Developer Guide, API Classes, cc_Input Class, cc_Output Class

Three advantages of using ccLog over the Salesforce standard System.debug class are:

There is no need to use string concatenation to easily tag log statements with asubject. ccLog allows passing a subject parameter to the log method, which will prepend the subject to the log message. For example, ccLog.log('This is a message', 'Subject') will log [Subject] This is a message.

There is no need to create a User Trace Flag. ccLog can be enabled by setting the value of CO.logToken to true in CCAdmin, which will activate logging for all users who access the storefront.

There is no need to manually set a cookie to debug with the Site Guest User. ccLog can be enabled for the Site Guest User by appending #ccLog= to the end of the storefront URL in order to get logs in the inspector console. For example, https://my-storefront.com/#ccLog=debug  will enable logging for the Site Guest User with the debug level. Salesforce References: B2B Commerce and D2C Commerce Developer Guide, Logging

Two advantages of using Lightning Data Service are that it combines and de-duplicatesserver calls and that it loads record data progressively. Lightning Data Service is a service that provides access to Salesforce data and metadata in Lightning web components. It optimizes performance and minimizes server round trips by caching data on theclient side and sharing data across components. It also combines and de-duplicates server calls by batching requests for the same record or object and returning a single response. It also loads record data progressively by returning available cached datafirst and then fetching updated data from the server asynchronously. Communicating with other components and converting between different data formats are not advantages of using Lightning Data Service, as they are not related to its functionality or features. Salesforce References: Lightning Web Components Developer Guide: Lightning Data Service, Lightning Web Components Developer Guide: Work with Salesforce Data

The out of thebox Salesforce B2B Commerce page that can give instructions to web crawlers from accessing specific Salesforce B2B Commerce pages is cc_RobotsTxt. This is a Visualforce page that generates a robots.txt file, which is a text file that tells web crawlers which pages or files they can or can’t request from a site. The page uses the configuration settings CO.RobotsTxtAllow and CO.RobotsTxtDisallow to specify which paths are allowed or disallowed for web crawlers. For example, User-agent: * Disallow: /CCCart will instruct web crawlersto not access the CCCart page. Salesforce References: B2B Commerce and D2C Commerce Developer Guide, Robots.txt File

When a developer configures a tax integration for a store, the previously calculated tax entries during the checkout flow are deleted from the Cart. A tax integration is an integration that calculates and applies tax rates and amounts to a Cart or an Order based on various factors, such as product type, price, quantity, location, and tax rules. A tax integration can use either an external tax service provider or custom Apex code to perform the tax calculation. When a developer configures a tax integration for a store, any existing tax entries in the Cart are deleted before calling the tax integration service or method. This ensures that the tax calculation is accurate and up-to-date based on the current state of the Cart and avoids any conflicts or inconsistencies with previous tax entries. The previously calculated tax entriesare not ignored during recalculation, saved prior to recalculation, or modified with the new tax calculation, as these are not valid actions for handling existing tax entries. Salesforce References: B2B Commerce Developer Guide: Tax Integration, B2B Commerce Developer Guide: Tax Calculation Flow

 The developer should implement the custom component so that it subscribes to events on the lightning_commerce_cartChanged channel using the Lightning Message Service. This is the recommended way to communicate between custom and standard components on the Cart page, as it allows the custom component to receive updates from the standard cart component whenever the cart items or quantities change. The Lightning Message Service is a pub/sub mechanism that enables components to communicate across the DOM, regardless of their namespace, technology, or source. The lightning_commerce_cartChanged channel is a predefined channel that carries information about the cart state, such as the cart ID, the cart items, and the cart total. References: Custom Component APIs, Lightning Message Service, Communicate Across the DOM with Lightning Message Service

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