Change Events Calendar single event permalinks when category is 'webinar'

change_webinar_event_links.php

// change webinar permalinks from http://www.site.com/events/event-name 
// to http://www.site.com/webinars/event-name
add_filter( 'post_type_link', 'change_webinar_links', 10, 2 );
function change_webinar_links( $link, $post) {
	if ( $post->post_type == 'tribe_events' && tribe_event_in_category('webinar') ) {
        $link = trailingslashit( home_url('/webinars/' . $post->post_name  ) );
    }
    return $link;
}
// rewrite rule for webinars
add_action( 'init', 'webinar_rewrite_rule', 5);
function webinar_rewrite_rule() {	
		add_rewrite_rule( '^webinars/([^/]+)', 'index.php?tribe_events=$matches[1]&post_type=tribe_events&name=$matches[1]', 'top' );
}