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Free AD0-E716 Exam Braindumps (page: 8)

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QUESTION: 29

An Adobe Commerce developer wants to create a product EAV attribute programmatically which should appear as WYSIWYG in the admin panel. They have made sure that wysiwyg_enabled has been set to true, however, the attribute is not appearing as WYSIWYG in the admin panel.
What would be a possible reason?

The is_html_allowed_on_front Option iS Set tO false.
The input type is not set to text.
The input type is not set to textarea.

Answer(s): C

Explanation:

The input_type attribute of a product EAV attribute specifies the type of input field that will be used to enter the value of the attribute in the admin panel. The textarea input type is used for WYSIWYG fields. If the input_type attribute is not set to textarea, then the attribute will not appear as WYSIWYG in the admin panel.
To fix this, the developer should set the input_type attribute to textarea.

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QUESTION: 30

An Adobe Commerce Developer has written an importer and exporter for a custom entity. The client is using this to modify the exported data and then re-importing the file to batch update the entities. There is a text attribute, which contains information related to imagery in JSON form, media_gallery. This is not a field that the client wants to change, but the software they are using to edit the exported data seems to be modifying it and not allowing it to import correctly.
How would the developer prevent this?

Specify a serializer class for the attribute using the $_transformAttrs class property array for both the exporter and importer so it gets converted:
Strip the attribute from the imported file by adding it to the s_strippedAttrs class property array:
Prevent it from being exported by adding it to the $_disat>iedAttrs class property array:

Answer(s): A

Explanation:

The _transformAttrs class property array of the importer and exporter classes can be used to specify a serializer class for a particular attribute. The serializer class will be used to convert the attribute value from one format to another when the data is exported or imported. In this case, the developer can specify a serializer class that will convert the JSON data in the media_gallery attribute to a string. This will prevent the software that the client is using to modify the exported data from changing the JSON data.
The following code shows how to specify a serializer class for the media_gallery attribute:
PHP
class MySerializer
{
public function serialize($value)
{
return json_encode($value);
}

public function deserialize($value)

{
return json_decode($value);
}
}

$importer->setSerializer('media_gallery', MySerializer::class); $exporter->setSerializer('media_gallery', MySerializer::class);

Once the serializer class has been specified, the JSON data in the media_gallery attribute will be converted to a string when the data is exported or imported. This will prevent the software that the client is using to modify the exported data from changing the JSON data.

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QUESTION: 31

The developer is required to convert a modules database scripts from old install/upgrade setup files to a data patches format and does not want to apply database changes that were already done by install/upgrade scripts.
The current module version is 1.5.4.
What would be the recommended solution to skip changes that were already applied via old format (install/upgrade scripts)?

Implement Patchversioninterface and return 1.5.4 on the getversion() method.
Inside apply() method, check for module version and run the code if version is less than 1.5.4.
This is not possible. A module cannot implement both data patch and install scripts.

Answer(s): A

Explanation:

According to the Develop data and schema patches guide for Magento 2 developers, data patches are classes that contain data modification instructions. They are defined in a <Vendor>/<Module_Name>/Setup/Patch/Data/<Patch_Name>.php file and implement MagentoFrameworkSetupPatchDataPatchInterface. Data patches can also implement Patchversioninterface to specify the module version that the patch is associated with. The getVersion() method returns the module version as a string. To skip changes that were already applied via old format (install/upgrade scripts), the developer should implement Patchversioninterface and return 1.5.4 on the getVersion() method. This way, the data patch will only be applied if the module version is greater than or equal to 1.5.4. Verified

Reference:

https://devdocs.magento.com/guides/v2.3/extension-dev-guide/declarative-schema/data- patches.html

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QUESTION: 32

An Adobe Commerce developer has created a module that adds a product attribute to all product types via a Data Patch-According to best practices, how would the developer ensure this product attribute is removed in the event that the module is uninstalled at a later date?

Add an Uninstall.php file extending \l1agento\Framework\Setup\UninstallInterface tO the module's Setup directory and implement the uninstall method.
Add instructions to the module's README.md file instructing merchants and developers that they must manually remove this attribute if they want to uninstall the module.
Make the Data Patch implement \Magento\Framework\setup\Patch\PatchRevertabieinterface and implement the revert method to remove the® product attribute.

Answer(s): C

Explanation:

According to the Develop data and schema patches guide for Magento 2 developers, data patches can also implement PatchRevertabieinterface to provide rollback functionality for their changes. The revert() method contains the instructions to undo the data modifications made by the patch. To ensure that the product attribute is removed when the module is uninstalled, the developer should make the data patch implement PatchRevertabieinterface and implement the revert method to remove the product attribute using EavSetupFactory or AttributeRepositoryInterface. Verified

Reference:

https://devdocs.magento.com/guides/v2.3/extension-dev-guide/declarative- schema/data-patches.html

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