<?php

// Use the saved keywords from the meta box
$keywords = get_post_meta( get_the_ID(), $searchwp_related->meta_key, true );

$defaults = array(
  'engine'            => 'default',  // Engine to use
  's'                 => $keywords,  // Terms to search
  'fields'            => 'all',      // Return post objects, use 'ids' to return IDs
  'posts_per_page'    => 3,          // How many results to return
  'log'               => false,      // Log the search?
  'post__in'          => array(),    // Limit results pool?
  'post__not_in'      => array()     // Exclude posts from results?
);