Accessing Schema on a article or product on feed page

[Mike_B3]

I have a custom schema section on each article template to add a custom date field. It's used like this:

{% if section.settings.custom_date != blank %}
        {{ section.settings.custom_date }}
{% endif %}

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I need this same custom date to appear on the main blog page. Any ideas? That code does not work on the blog page in the for loop.