Shopify automatic discounts in cart without Plus sample code

cart.liquid

<script>if (typeof Shopify === "undefined") var Shopify = {}; Shopify.cart = {{ cart | json }};</script>

{% assign all_items_count = 0 %}
{% assign discount_line_total = 0 %}

{% if cart.item_count > 0 %}

  {% for item in cart.items %}

    {{ item.title }}

    {{ item.price | money }}

    {% if settings.discounts_enable %}
      {% if item.variant.title contains '1L'%}
        {% assign items_count = items_count | plus: item.quantity %}
        {% assign discount_line_total = discount_line_total | plus: item.line_price %}
      {% endif %}
    {% endif %}

  {% endfor %}

  {% if settings.discounts_enable %}
    {% if items_count >= 3 %}
      {% assign discount = '1LBULK15' %}
      {% assign discount_percent = 0.15 %}
    {% endif %}
    {% if items_count >= 6 %}
      {% assign discount = '1LBULK20' %}
      {% assign discount_percent = 0.20 %}
    {% endif %}
    {% if items_count >= 12 %}
      {% assign discount = '1LBULK30' %}
      {% assign discount_percent = 0.30 %}
    {% endif %}
    <script>
      var discount = '{{ discount }}'
      document.getElementById('cart_form').action = "/cart?discount=" + discount;
    </script>
    {% assign discount_amount = discount_line_total | times: discount_percent | floor  %}
    {% assign discount_amount_money = discount_amount | money %}
    {% assign discounted_total = cart.total_price | minus: discount_amount | floor  %}
    {% endif %}

  {% if settings.flash_discount_enable %}
    <script>
      var discount = '{{ settings.flash_discount }}'
      document.getElementById('cart_form').action = "/cart?discount=" + discount;
    </script>
  {% endif %}

  {% if settings.discounts_enable and discount_percent > 0 %}
    { 'cart.general.subtotal' | t }}
    {{ discounted_total | money }}
    {{ 'cart.general.savings_html' | t: price: discount_amount_money }}
  {% else %}
    {{ cart.total_price | money }}
  {% endif %}

  {% if cart.total_discounts > 0 %}
    {% assign savings = cart.total_discounts | money %}
    {{ 'cart.general.savings_html' | t: price: savings }}
    </p>
  {% endif %}

{% else %}
  {% comment %}
    The cart is empty
  {% endcomment %}
{% endif %}

Hey Cam what is this code used for? to have multiple automatic discount running?

@xxvaiomasterxx pretty much, yep! It just uses URL parameters to pre-populated the discount field.