Loyalty Points liquid file linked from: https://support.boldcommerce.com/hc/en-us/articles/209762003-Loyalty-Points-Install-Instructions

bold-loyalties-product.liquid

{% if shop.metafields.bold_loyalties.active == 1 %}
    <style>
        @import url('//loy.boldapps.net/app_assets/css/client/product.css');
    </style>

    {% if customer %}
        {% include 'bold-loyalties-modal' %}
    {% endif %}

    <script>
        var BoldApps = BoldApps||{};
        BoldApps.Loyalties =BoldApps.Loyalties ||{};
        BoldApps.Loyalties.ProductDisplaySettings={
            title:{
                show:true
            },
            body:{
                'text' : '{{ shop.metafields.bold_loyalties.product_earn_callout_text}}'
            },
            redeem:{
                'buttonText' : '{{ shop.metafields.bold_loyalties.product_redeem_button_text}}'
            }
        };
        BoldApps.Loyalties.shop = {
            domain:'{{ shop.domain}}',
            permanent_domain: '{{shop.permanent_domain}}',
            url:'{{shop.url}}',
            metafields: {{ shop.metafields.bold_loyalties | json }}
        };
        BoldApps.Loyalties.product = {{ product | json }}
                {% if product.metafields.bold_loyalties.has_special_rewards %}
            BoldApps.Loyalties.product_has_special_rewards = ({{ product.metafields.bold_loyalties.has_special_rewards}} == 1)? true:false;
        {% endif %}

        BoldApps.Loyalties.product.metafields = {{ product.metafields.bold_loyalties | json }}

            BoldApps.Loyalties.customer = null;
        {% if shop.customer_accounts_enabled %}
        {% if customer %}
        BoldApps.Loyalties.customer ={
            email:'{{ customer.email}}',
            id:{{ customer.id}},
            uuid: '{{ customer.metafields.bold_loyalties.uuid }}'
        } ;
        BoldApps.Loyalties.customer.metafields = {{ customer.metafields.bold_loyalties | json }}

        {% endif %}
        {% endif %}
    </script>

    <script src="//loy.boldapps.net/front_end/product_js"></script>
{% endif %}