AD0-E709 Adobe Commerce Developer Expert Questions and Answers

When building a custom page we need to get a collection of data. To determine how many items are in this collection, the Adobe Commerce developer uses $collection->count() . This sometimes is slow and causes some delay.

What is the reason?

An Adobe Commerce developer wants to add a custom product attribute to the website which will sync to their ERP. The developer has created a data patch and added the following code to add the attribute:

The attribute is created successfully and it is listed in the attribute grid. But on the website, there are multiple attribute sets and the developer wants the newly created attribute to be visible in all the attribute sets.

In order to set the attribute to all the attributes sets, how will the developer change the code to add the attribute?

An integration named Marketing is created on the Adobe Commerce instance. The integration has access on Magento_Customer::customer resources and the access token is xxxxxx .

How would the rest API be called to search the customers?

An Adobe Commerce developer has been asked to modify the PageBuilder slider content type to allow a new custom content type (other than slide ) to be assigned as a child. The developer has already created the new content type called improved.slider_slide their module. They now need to create a new view/adminhtml/pagebuilder/content_type/slider.xml file in their module to allow the new content type to be a child of slider content types.

What is the correct xml to accomplish this?

A)

B)

C)