seopress

custom-filter.php

<?php
add_filter('seopress_schemas_mapping_select', 'sp_schemas_mapping_select');
function sp_schemas_mapping_select($select) {
    // Add the new group option + option to the list
    $select['Custom variables'] = [
        'my_custom_var_key' => __('My super custom var', 'wp-seopress-pro'),
        'my_repeater_field' => __('ACF Repeater Field', 'wp-seopress-pro'),
    ];

    // Get the ACF repeater field data
    $repeater_data = get_field('my_repeater_field');

    // Loop through the repeater field data and add variables to the $select array
    if ($repeater_data) {
        foreach ($repeater_data as $index => $row) {
            $variable_key = 'my_repeater_field_' . $index . '_subfield_1';
            $variable_label = __('Repeater Field Subfield 1', 'wp-seopress-pro') . ' ' . ($index + 1);
            $select['Custom variables'][$variable_key] = $variable_label;
        }
    }

    return $select;
}

custom-schema.json

<script type="application/ld+json"> {
   "@context": "https://schema.org",
   "@type": "WebPage",
   "@id": "https://saimple.com/solutions/iso-standards-eu-ai-act-compliance/#ContentSchema",
   "headline": "Validate AI Models for ISO/IEC 24029 standards & EU AI-Act Compliance with Saimple",
   "url": "https://saimple.com/solutions/iso-standards-eu-ai-act-compliance/",
   "about": [
      {"@type": "Organization", "name": "EU AI-Act", "sameAs": "https://en.wikipedia.org/wiki/International_Organization_for_Standardization"},
      {"@type": "Organization", "name": "European_Union", "sameAs": "https://en.wikipedia.org/wiki/European_Union"}
   ],
   "mentions": [
      {"@type": "Thing", "name": "Artificial Intelligence (AI) — Assessment of the robustness of neural networks — Part 1: Overview", "sameAs": "https://www.iso.org/standard/77609.html"},
      {"@type": "Thing", "name": "Artificial Intelligence (AI) — Assessment of the robustness of neural networks — Part 2: Methodology for the use of formal methods", "sameAs": "https://www.iso.org/standard/79804.html"},
      {"@type": "Thing", "name": "harmonised rules on artificial intelligence (artificial intelligence act, EU AI-Act)", "sameAs": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex%3A52021PC0206"},
      {"@type": "Thing", "name": "software", "sameAs": "https://en.wikipedia.org/wiki/Software"},
      {"@type": "Thing", "name": "regulations", "sameAs": "https://en.wikipedia.org/wiki/Regulation"},
      {"@type": "Thing", "name": "requirement", "sameAs": "https://en.wikipedia.org/wiki/Requirement"},
      {"@type": "Thing", "name": "standard", "sameAs": "https://en.wikipedia.org/wiki/Technical_standard"}
   ]
   } </script>