{%assign custom_attributes = product.metafields.custom_attributes %} {%if custom_attributes.size > 0 %} Additional information: {% for field in custom_attributes %} {% assign attribute_code = field | first %} {% assign attribute_value = field | last %} {{ attribute_code }} : {{attribute_value}} {% endfor %} {%endif%} {{ product.metafields.customAttributes.shipping-details }}