For developers: Delete values of a product attribute

To delete an attribute value, you must perform the following:

1. Get an instance of the catalog manager.
   Get an instance of the CatalogManager object.
2. Check whether the attribute value is currently in use by a product variation.
   To do this perform the following:
   1. Create an instance of the JavaScriptSerializer class.
   2. Get all available product variations.
      For more information, see For developers: Query product variations.
   3. Iterate through the variations.
   4. Get the product variation detail.
   5. Check whether the ProductAttributeValueParent value has the same ID the specified attribute value.
   6. If there is a variation that currently uses the attribute value, do not delete it. You must delete or modify the variation first. For more information, see For developers: Delete product variations and For developers: Modify product variations.
3. Mark the attribute value for deletion.
   To mark the attribute value to be deleted, call the DeleteProductAttributeValue method of the manager and pass the ID of the attribute value as an argument.
4. Save the changes.
   To delete the attribute value, save the changes to the manager.

NOTE: To delete multiple attribute values, query them and execute the code below for each one of them.

Use the following code sample: