section-product.liquid

{% for block in section.blocks %}

  <!-- Could also work with collections, blogs, articles... -->
  {% if product.handle == block.settings.product %}

    <!-- Could also be a snippet include -->
    {{ block.settings.product['some_value'] }}
    
  {% endif %}
{% endfor %}

{% schema %}
  {
    "name": "Product data",
    "blocks": [
      {
        "type": "product-data",
        "name": "Product info",
        "settings": [
          {
            "id": "product",
            "type": "product",
            "label": "Choose product"
          },
          {
            "id": "some_value",
            "type": "text",
            "label": "Some value"
          }
        ]
      }
    ]
  }
{% endschema %}

Principally allows 'pseudo-dynamic' section data on each product page (or other dynamic page) in Shopify.