How to add line item properties and cart attributes in Shopify product form markup

cart-line-items-properties-attributes.liquid

{%- form 'product', product, id: form_id, class: 'product-single-form' -%}
  <!-- Line item property -->
  <input type="hidden" name="properties[Field]" value="Field value">
  <!-- Cart attribute -->
  <input type="hidden" name="attributes[Vendor]" value="Livom">
{%- endform -%}