Disable PDF metadata indexing for a specific PDF in SearchWP

searchwp-customizations.php

<?php

// Disable PDF metadata indexing for a specific PDF in SearchWP.
add_filter( 'searchwp\document\pdf_metadata\skip', function( $skip, $the_post ) {
  if ( 199 === $the_post->ID ) {
    return true;
  }
  
  return $skip;
}, 10, 2 );