CodeBrotha

Input.cart.line_items.each do |item|
  # ================================================================
  # LINE ITEM PROPERTY DISCOUNT
  # ================================================================
  # Set the line item property in Shopify theme When adding item to cart
  # 
  # line item property is a key/value pair. Example: {"_someCoolPromo": "1"}
  #
  # In this example:
  # "_someCoolPromo" is the key we look for here and must ALWAYS start with an underscore.