Show featured image captions

The captions for a standard post's featured image do not display, what changes do I need to make so that the captions are displayed please? ( in Event theme )
thanks

Hello,

This feature is not included in Events theme, but try to add the following code into your functions.php file:

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function gk_post_thumbnail_caption($raw = false) {
   global $post;
   // get the post thumbnail ID
   $thumbnail_id = get_post_thumbnail_id($post->ID);
   // get the thumbnail description
   $thumbnail_img = get_posts(array('p' => $thumbnail_id, 'post_type' => 'attachment'));
   // return the thumbnail caption
   if ($thumbnail_img && isset($thumbnail_img[0])) {
      if($thumbnail_img[0]->post_excerpt != '') {
         if($raw) {
            return apply_filters('gavern_thumbnail_caption', strip_tags($thumbnail_img[0]->post_excerpt));
         } else {
            return apply_filters('gavern_thumbnail_caption', '<div class="gk-image-caption">'.$thumbnail_img[0]->post_excerpt.'</div>');
         }
      }
   } else {
      return false;
   }
}


and change this line from content-featured.php:

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<?php the_post_thumbnail(); ?>

into:

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<?php the_post_thumbnail(); ?>
      <?php if(is_single() || is_page()) : ?>
            <?php echo gk_post_thumbnail_caption(); ?>
        <?php endif; ?>


Thanks Joshua, that worked !