public function update_shared_tickets_capacity( $meta_id, $object_id, $meta_key, $event_capacity ) {
		// Bail on non-capacity
		if ( $this->key_capacity !== $meta_key ) {
			return false;
		}

		$event_types = Tribe__Tickets__Main::instance()->post_types();

		// Bail on non event like post type
		if ( ! in_array( get_post_type( $object_id ), $event_types ) ) {
			return false;
		}

		// We don't accept any non-numeric values here
		if ( ! is_numeric( $event_capacity ) ) {
			return false;
		}

		// Make sure we are updating the Shared Stock when we update it's capacity
		$object_stock = new Tribe__Tickets__Global_Stock( $object_id );

		// Make sure that we have stock enabled (backwards compatibility)
		$object_stock->enable();

		$completes = array();

		// Get all Tickets
		$tickets = $this->get_tickets_ids( $object_id );

		foreach ( $tickets as $ticket ) {
			$mode = get_post_meta( $ticket, Tribe__Tickets__Global_Stock::TICKET_STOCK_MODE, true );

			// Skip any tickets that are not Shared
			if (
				Tribe__Tickets__Global_Stock::GLOBAL_STOCK_MODE !== $mode
				&& Tribe__Tickets__Global_Stock::CAPPED_STOCK_MODE !== $mode
			) {
				continue;
			}

			$capacity = tribe_tickets_get_capacity( $ticket );

			// When Global Capacity is higher than local ticket one's we bail
			if (
				Tribe__Tickets__Global_Stock::CAPPED_STOCK_MODE === $mode
			) {
				$capped_capacity = $capacity;
				if ( $event_capacity < $capacity ) {
					$capped_capacity = $event_capacity;
				}

				// Otherwise we update tickets required
				tribe_tickets_update_capacity( $ticket, $capped_capacity );
			}

			$totals = $this->get_ticket_totals( $ticket );
			$completes[] = $complete = $totals['pending'] + $totals['sold'];

			$stock = $event_capacity - $complete;
			update_post_meta( $ticket, '_stock', $stock );

			// Makes sure we mark it as in Stock for the status
			if ( 0 !== $stock ) {
				update_post_meta( $ticket, '_stock_status', 'instock' );
			}
		}

		// Setup the Stock level
		$new_object_stock = $event_capacity - array_sum( $completes );
		$object_stock->set_stock_level( $new_object_stock );

		return true;
	}