QUESTION: 13

An external system integrates functionality of a product catalog search using Adobe Commerce GraphQL API. The Architect creates a new attribute my_attribute in the admin panel with frontend type select-Later, the Architect sees that Productlnterf ace already has the field my_attribute, but returns an Int value. The Architect wants this field to be a new type that contains both option id and label.
To meet this requirement, an Adobe Commerce Architect creates a new module and file etc/schema.graphqls that declares as follows:

After calling command setup:upgrade, the introspection of Productlnterface field my_attribute remains Int.
What prevented the value type of field my_attribute from changing?

The Magento_CatalogGraphQI module occurs later in sequence than the Magento_GraphQI module and merging output of dynamic attributes schema reader overrides types declared in schema.graphqls
The fields of Productlnterface are checked during processing schema.graphqls files. If they have a corresponding attribute, then the backendjype of product attribute is set for field type.
The interface Productlnterface is already declared in Magento.CatalogGraphQI module. Extending requires use of the keyword extend before a new declaration of Productlnterface.

Answer(s): C

Explanation:

According to the Adobe Commerce documentation, to extend an existing GraphQL interface, the keyword extend must be used before the interface name. This indicates that the new declaration is adding or modifying fields to the existing interface, rather than redefining it. If the keyword extend is omitted, the new declaration will be ignored and the original interface will be used. In this case, the Architect wants to change the type of the my_attribute field in the ProductInterface interface, which is already declared in the Magento.CatalogGraphQl module. Therefore, the Architect should use the keyword extend before declaring the ProductInterface interface in the schema.graphqls file of the custom module. This will allow the Architect to override the type of the my_attribute field from Int to MyAttributeType.

Reference:

Extend existing schema | Adobe Commerce Developer Guide Schema language with GraphQL | Adobe Commerce

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QUESTION: 14

An Adobe Commerce store owner sets up a custom customer attribute "my.attribute". An Architect needs to display additional content on the home page, which should display only to Customers with "my.attribute" of a certain value and be the same content for all of them. The website is running Full Page Cache.
With simplicity in mind, which two steps should the Architect take to implement these requirements? (Choose two.)

Add a new context value of "my_attribute" to Magento\Framework\App\Http\Context
Create a Customer Segment and use 'my.attribute' in the conditions
Add a custom block and a pHTML template with the content to the cmsjndexjndex.xml layout
Add a dynamic block with the content to the Home Page
Use customer-data JS library to retrieve "my.attribute" value

Answer(s): A,D

Explanation:

To display additional content on the home page based on a custom customer attribute, the Architect needs to do the following steps:
Add a new context value of "my_attribute" to Magento\Framework\App\Http\Context. This will allow the Full Page Cache to generate different versions of the page for customers with different values of "my.attribute". The context value can be set using a plugin on the Magento\Customer\Model\Context class.
Add a dynamic block with the content to the Home Page. A dynamic block is a type of content block that can be configured to display only to specific customer segments or conditions. The Architect can use the `my.attribute' in the conditions of the dynamic block and assign it to the Home Page in the Content > Blocks section of the Admin Panel.

Reference:

Private content | Magento 2 Developer Documentation
Dynamic Blocks | Adobe Commerce 2.3 User Guide - Magento

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QUESTION: 15

An Adobe Commerce Architect designs a data flow that contains a new product type with its own custom pricing logic to meet a merchant requirement.
Which three steps are required when adding a product type with custom pricing? (Choose three.)

Content of the etc/product_types.xml file
Data patch to register the new product type
Hydrator for attributes belonging to the new product type
New price model extending \Magento\Catalog\Model\Product\Type\Price
Custom type model extended from the abstract Product Type model
A new class with custom pricing logic, extending the abstract Product model class

Answer(s): A,D,E

Explanation:

To add a product type with custom pricing, the Architect needs to do the following steps:
Create a content of the etc/product_types.xml file that defines the new product type, its label, model, index priority, and price model. This file is used to register the new product type and its associated classes in Magento1.
Create a new price model that extends \Magento\Catalog\Model\Product\Type\Price and implements the custom pricing logic for the new product type. The price model is responsible for calculating the final price of the product based on various factors, such as special price, tier price, catalog price rules, etc2.
Create a custom type model that extends from the abstract Product Type model (\Magento\Catalog\Model\Product\Type\AbstractType) and overrides the methods related to the product type behavior, such as prepareForCart, getAssociatedProducts, etc. The type model defines how the product type interacts with other components, such as quote, order, cart, etc3.

Reference:

How to add a new product type in Magento 2? (MageStackDay mystery question 1) - Magento Stack Exchange
Magento 2: How to create custom product types - BelVG Blog Magento 2: How to create custom product types - BelVG Blog

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QUESTION: 16

An Adobe Commerce Architect needs to log the result of a ServiceClass:: getData method execution after all plugins have executed. The method is public, and there are a few plugins declared for this method. Among those plugins are after and around types, and all have sortOrder specified.
Which solution should be used to meet this requirement?

Declare a new plugin with the sortOrder value lower than the lowest declared plugin sortOrder and implement aroundGetData method.
Declare a new plugin with the sortOrder value higher than the highest declared plugin sortOrder and implement afterGetData method.
Declare a new plugin with the sortOrder value higher than the highest declared plugin sortOrder and implement aroundGetData method.

Answer(s): B

Explanation:

This solution ensures that the new plugin will execute after all the existing plugins for the ServiceClass::getData method, and will be able to log the final result of the method execution. The afterGetData method of the new plugin will receive the result of the method as a parameter, and can use any logging mechanism to record it. The sortOrder value of the new plugin should be higher than the highest declared plugin sortOrder, so that it will run last in the sequence of plugins. The after type of plugin is preferred over the around type of plugin, because it is simpler and more efficient, and does not require calling the proceed() method.

Reference:

Plugins (Interceptors) | Adobe Commerce Developer Guide Plugin best practices | Adobe Commerce Developer Guide

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QUESTION: 13

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QUESTION: 14

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QUESTION: 15

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QUESTION: 16

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