public function get_total_sold() {
		/**
		 * Returns the total tickets sold for an event.
		 *
		 * @param int $total_sold
		 * @param int $original_total_sold
		 * @param int $event_id
		 */
		return (int) apply_filters( 'tribe_tickets_plus_get_total_sold', $this->total_sold, $this->total_sold, $this->event_id );
	}