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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Lightning Web Component Development | 30% | - Custom LWC development
|
| Topic 2: Data Management | 15% | - Commerce data modeling and integration
|
| Topic 3: Basic Lightning Web Component Development | 20% | - LWC enhancement
|
| Topic 4: Checkout Flow Development | 10% | - Checkout customization
|
| Topic 5: Reference Implementations | 15% | - Checkout and payment architecture patterns
|
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NEW QUESTION # 168
What are three ways to implement custom post Order processing? (3 answers)
Answer: A,B,D
Explanation:
Three ways to implement custom post Order processing are:
Extend cc_hk_invoice to handle custom business logic post Order processing. This hook allows modifying the invoice data or performing additional actions after an Order is placed. For example, the hook can send an email notification or update a custom field on the invoice record.
Use cc_hk_Order.placeTarget to define a new Order Confirmation page which executes additional business logic. This hook allows specifying a custom Visualforce page that will be displayed after an Order is placed. The custom page can include additional business logic or user interface elements.
Use Process Builder to implement business processes that execute when an Order record is created. Process Builder is a tool that allows creating workflows and actions based on criteria and conditions. For example, Process Builder can create a task, send an email, or update a record when an Order record is created. Salesforce B2B Commerce and D2C Commerce Developer Guide,Hooks, Process Builder
NEW QUESTION # 169
A developer is building a custom component in Lightning web components (LWC) that needs to fetch data from an API.
Which lifecycle hook should the developer use to make the API call?
Answer: C
Explanation:
To make an API call in a Lightning web component (LWC), a developer should use the connectedCallback lifecycle hook. The connectedCallback lifecycle hook is invoked when the component is inserted into the DOM. This is the ideal time to make an API call, as the component is ready to receive and display data. The developer can use the fetch API or a third-party library, such as axios, to make the API call and handle the response. The renderedCallback lifecycle hook is not a good choice for making an API call, as it is invoked every time the component is rendered or rerendered. This can cause unnecessary or repeated API calls and affect performance. The errorCallback lifecycle hook is not a good choice either, as it is invoked when an error occurs in the component or in one of its children. This is not related to making an API call, but rather to handling errors. The disconnectedCallback lifecycle hook is not a good choice either, as it is invoked when the component is removed from the DOM. This is not a suitable time to make an API call, as the component is no longer visible or active. Salesforce Lightning Web Components Developer Guide: Lifecycle Hooks,Lightning Web Components Developer Guide: Call an Apex Method Imperatively
NEW QUESTION # 170
What target does a developer need to set in the js-meta.xml file when creating a custom LWC component for use in the Checkout Flow?
Answer: D
Explanation:
When creating a custom Lightning Web Component (LWC) for use in the Checkout Flow, a developer must set the target in the js-meta.xml file to lwc__FlowComponent. This target specifies that the LWC is intended for use within the flow component framework, allowing it to be utilized specifically in the context of Salesforce Flows, including those used in the checkout process. Salesforce documentation on developing custom LWCs for various targets would detail this requirement, ensuring that developers understand how to correctly package and deploy their components for the intended use case.
NEW QUESTION # 171
Northern Tail Outfitters (NTO) is converting an existing aura component into a Lightning Web Component. The aura component has the following source code:
What is the equivalent of this code in a Lightning Web Component?
Answer: B
Explanation:
The equivalent of this code in a Lightning web component is option B. Option B uses the @api decorator to expose firstName as a public property of the Lightning web component and communicate it with other components or services. The @api decorator is a decorator that marks a property or method as public, which means that it can be accessed by other components or services that use or consume this component. The @api decorator also makes the property reactive, which means that it can track changes and update the component accordingly. In option B, firstName is exposed as a public property using the @api decorator and passed to the child element using an attribute. Option A is incorrect because it uses an invalid syntax for exposing firstName as a public property. The @api decorator should be used before the property declaration, not after it. Option C is incorrect because it uses an invalid syntax for exposing firstName as a public property. The @api decorator should be used with parentheses, not without them. Option D is incorrect because it uses an invalid syntax for exposing firstName as a public property. The @api decorator should be used with camel case, not with hyphens. Salesforce Lightning Web Components Developer Guide: Communicate with Properties, Lightning Web Components Developer Guide: Decorators
NEW QUESTION # 172
A developer is on a tight timeline and needs to implement a Lightning web component which can read, create and modify single records. What is the recommended path forward?
Answer: A
Explanation:
To implement a Lightning web component which can read, create and modify single records, the recommended path forward is to use Lightning Data Service. Lightning Data Service is a service that provides access to Salesforce data and metadata, cache management, and data synchronization across components. Lightning Data Service allows developers to use standard components or base components to perform CRUD (create, read, update, delete) operations on single records without writing Apex code or SOQL queries. Lightning Data Service also handles data caching, performance optimization, and conflict resolution automatically. Using base components is not a sufficient way to implement a Lightning web component which can read, create and modify single records, as base components are only user interface elements that do not provide data access or manipulation functionality by themselves. Base components need to be used with Lightning Data Service or other services to perform CRUD operations on single records. Writing custom functions against a wire adapter is not a recommended way to implement a Lightning web component which can read, create and modify single records, as it involves writing complex and error-prone JavaScript code that may not be efficient or scalable. Writing custom functions against a wire adapter also requires handling data caching, performance optimization, and conflict resolution manually. Creating an Apex controller is not a recommended way either, as it involves writing Apex code that may not be necessary or optimal for performing CRUD operations on single records. Creating an Apex controller also requires exposing Apex methods using @AuraEnabled or @RemoteAction annotations and invoking them from JavaScript code using imperative calls or promises. Salesforce Lightning Web Components Developer Guide: Access Salesforce Data,Lightning Web Components Developer Guide: Base Components, [Lightning Web Components Developer Guide: Call Apex Methods]
NEW QUESTION # 173
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