The cost of delivery for returning a product. This home is only required if there's a non-zero shipping and delivery charge to be paid by The buyer for the service provider to return a product, wherein situation returnFees need to be established to ). In case the return is free, https://rich-snippets-vs-schema-m11110.eqnextwiki.com/4325674/the_5_second_trick_for_model_json_schema