public function get_ics_link(){
			$nonce = wp_create_nonce('export_event_nonce');
			$slug = EVO()->cal->get_ics_url_slug();
			$path_segment = $this->ID . '_' . $this->ri;

			$structure = get_option( 'permalink_structure' );

			// for plain permalink
			if( !$structure){
				$args = array(
			        $slug      => 'single',
			        'event_id'			 => $this->ID,
			        'repeat_interval'	 => $this->ri,
			        'key'                => $nonce,
			    );

			    return add_query_arg( $args, home_url( '/' ) );
			}
			return home_url("/". $slug . "/{$path_segment}/?key={$nonce}");
		}