Tell SEO bots to not index Event Espresso event pages. Useful if the event pages are all duplicated content.

robots.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file
function ee_no_index_tagseo_meta() {
  if ('espresso_events' == get_post_type() && is_single() ) {
?>
<meta name="robots" content="noindex">
<?php
  }
}
add_action( 'wp_head', 'ee_no_index_tagseo_meta', 9 );