functions.php

<?php

// Customize whether Metrics logs this search
add_filter( 'searchwp_metrics_log_search', function( $log, $engine, $query, $hits ) {

  // $log is whether or not to log the search
  // $engine is the engine being used for the search
  // $query is the search query
  // $hits is the number of results found for this search

  return $log;
}, 10, 4 );