xarxaprod-wp-theme/template-parts/section-list-checkbox.php

<?php
  /**
   * Template part for displaying a list with data checked in checkbox list
   *
   * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
   *
   * @package Xarxaprod_theme
   */
  
  ?>

<?php
  // https://developer.wordpress.org/reference/functions/get_template_part/#comment-4130
  // to display this template use
  // get_template_part( 'template-parts/section', 'list-checkbox', array('iterate_field' => 'CHANGETHIS') );
  $fielditerate = $args['iterate_field'];
  ?>
<?php
  // get the current post-type slug
  // https://wordpress.stackexchange.com/a/67412
  $current_post_type_slug = get_post_type_object( get_post_type() )->rewrite['slug']; 
?>
<?php
      $fields= get_field($fielditerate);
      if( $fields ): 
      ?>
      <ul class="xarxaprod-label item-<?php echo $fielditerate ?>">
      <?php foreach( $fields as $field ): ?>
        <li>
           <a href="<?php echo home_url( '/'. $current_post_type_slug . '/?' . $fielditerate . '='. $field['value'] ); ?>">
           <?php echo $field['label']; ?>
           </a>
        </li>
      <?php endforeach; ?>
      </ul>
<?php endif; ?>