functions.php

<?php // don't include this line

/**
 * DPS Event Manager Queries 
 * @see https://wordpress.org/support/topic/show-events-from-events-manager-plugin/
 */
function be_dps_event_query( $args, $atts ) {
  // Only run on event queries
  if( empty( $args['post_type'] ) || 'event' != $args['post_type'] )
    return $args;
    
  $args['orderby'] = 'meta_value_num';
  $args['meta_key'] = '_event_start_date';
  $args['order'] = 'ASC';
    
  $meta_query = array(
    array(
      'key' => '_event_end_date',
      'value' => time(),
      'compare' => '<',
    )
  );
  
  $args['meta_query'] = $meta_query;
  return $args;
}
add_filter( 'display_posts_shortcode_args', 'be_dps_event_query', 10, 2 );