		endif;
    }
    if ($column_name == 'col_sent') {
    	$post = get_post($post_ID);
    	if ($post):
	    	$success_date = get_post_meta( $post->ID, 'wps_alert_sent_datetime', true );
	    	if ($success_date):
	    		echo $success_date;
	    	else:
	    		$failed_date = get_post_meta( $post->ID, 'wps_alert_failed_datetime', true );
	    		if ($failed_date):