Klaviyo backinstock javascript code

gistfile1.html

<script src="https://a.klaviyo.com/media/js/onsite/onsite.js"></script> 
<script>     
   var klaviyo = klaviyo || [];
    klaviyo.init({
      account: "UU6Fvf",
      list: "UGSQKU",
      platform: "shopify"
    });
    klaviyo.enable("backinstock",{ 
    trigger: {
      product_page_text: "Notify Me When Available",
      product_page_class: "button",
      product_page_text_align: "center",
      product_page_margin: "0px",
      replace_anchor: false
    },
    modal: {
     headline: "{product_name}",
     body_content: "Register to receive a notification when this item comes back in stock.",
     email_field_label: "Email",
     button_label: "NOTIFY ME WHEN AVAILABLE",
     subscription_success_label: "You're in! We'll let you know when it's back.",
     footer_content: '',
     additional_styles: "@import url('https://cdn.shopify.com/s/files/1/0617/8137/7164/files/Whyte-Light.ttf?v=1694688039');",
     drop_background_color: "#000",
     background_color: "#fff",
     text_color: "#222",
     button_text_color: "#fff",
     button_background_color: "#439fdb",
     close_button_color: "#ccc",
     error_background_color: "#fcd6d7",
     error_text_color: "#C72E2F",
     success_background_color: "#d3efcd",
     success_text_color: "#1B9500",
     newsletter_subscribe_label: "Add me to your email list.",
     subscribe_checked: true
    }
  }); 
</script