possibly fixed ajax fetch

public/class-partnerexpo-core-public.php

@@ -78,6 +78,7 @@ class Partnerexpo_Core_Public {
 				'title'   => $post->post_title,
 				'image'   => get_the_post_thumbnail_url($post->ID),	
 				'excerpt' => $post->post_excerpt,
+				'modif'	  => $post->post_modified,
 				'url'     => get_permalink($post),
 			];
 		}