I want to add extension attribute to the default API to identify the visual and text swatches http://localhost/m2.4/rest/V1/products/attribute-sets/4/attributes API.

1 Answer 1


@adi Please see this below link


Follow the steps as mentioned and replace

Magento\Sales\Api\Data\OrderItemInterface to Magento\Catalog\Api\Data\ProductAttributeInterface

It will work

Change the code as required

  • its not working for me as i needed for rest/V1/products/attribute-sets/4/attributes API Commented Mar 30, 2021 at 9:23
  • @adimaheshwary I edit my answer please look into it.
    – Ankit
    Commented Mar 31, 2021 at 5:23

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