public function create_attendee_for_ticket( $ticket, $attendee_data ) {
		$rsvp_options = \Tribe__Tickets__Tickets_View::instance()->get_rsvp_options( null, false );

		$required_details = [
			'full_name',
			'email',
		];

		foreach ( $required_details as $required_detail ) {
			// Detail is not set.
			if ( ! isset( $attendee_data[ $required_detail ] ) ) {
				/* translators: %s is the attendee field name. */
				throw new Exception( sprintf( __( 'Attendee field "%s" is not set.', 'event-tickets' ), $required_detail ) );
			}

			// Detail is empty.
			if ( empty( $attendee_data[ $required_detail ] ) ) {
				/* translators: %s is the attendee field name. */
				throw new Exception( sprintf( __( 'Attendee field "%s" is empty.', 'event-tickets' ), $required_detail ) );
			}
		}

		$full_name         = $attendee_data['full_name'];
		$email             = $attendee_data['email'];
		$optout            = true;
		$user_id           = isset( $attendee_data['user_id'] ) ? (int) $attendee_data['user_id'] : 0;
		$order_status      = isset( $attendee_data['order_status'] ) ? $attendee_data['order_status'] : 'yes';
		$order_id          = ! empty( $attendee_data['order_id'] ) ? $attendee_data['order_id'] : $this->generate_order_id();
		$product_id        = $ticket->ID;
		$order_attendee_id = isset( $attendee_data['order_attendee_id'] ) ? $attendee_data['order_attendee_id'] : null;

		if ( isset( $attendee_data['optout'] ) && '' !== $attendee_data['optout'] ) {
			$optout = tribe_is_truthy( $attendee_data['optout'] );
		}

		if ( 'going' === $order_status ) {
			$order_status = 'yes';
		} elseif ( 'not-going' === $order_status ) {
			$order_status = 'no';
		}

		if ( ! isset( $rsvp_options[ $order_status ] ) ) {
			$order_status = 'yes';
		}

		// Get the event this ticket is for.
		$post_id = (int) get_post_meta( $product_id, $this->event_key, true );

		if ( empty( $post_id ) ) {
			throw new Exception( __( 'Unable to process your request, invalid content resource.', 'event-tickets' ) );
		}

		$attendee = [
			'post_status' => 'publish',
			'post_title'  => $full_name,
			'post_type'   => $this->attendee_object,
			'ping_status' => 'closed',
			'post_author' => 0,
		];

		if ( $order_id ) {
			$attendee['post_title'] = $order_id . ' | ' . $attendee['post_title'];
		}

		if ( null !== $order_attendee_id ) {
			$attendee['post_title'] .= ' | ' . $order_attendee_id;
		}

		// Insert individual ticket purchased.
		$attendee_id = wp_insert_post( $attendee );

		if ( is_wp_error( $attendee_id ) ) {
			throw new Exception( $attendee_id->get_error_message() );
		}

		// @todo This class is not setting $this->attendee_product_key.
		update_post_meta( $attendee_id, self::ATTENDEE_PRODUCT_KEY, $product_id );
		// @todo This class is not setting $this->attendee_event_key.
		update_post_meta( $attendee_id, self::ATTENDEE_EVENT_KEY, $post_id );
		update_post_meta( $attendee_id, $this->security_code, $this->generate_security_code( $attendee_id ) );
		update_post_meta( $attendee_id, $this->order_key, $order_id );
		// @todo This class is not setting $this->attendee_optout_key.
		update_post_meta( $attendee_id, self::ATTENDEE_OPTOUT_KEY, (int) $optout );

		if ( 0 === $user_id ) {
			/**
			 * Allow enabling user lookups by Attendee Email.
			 *
			 * @since5.0.0
			 *
			 * @param boolean $lookup_user_from_email Whether to lookup the User using the Attendee Email if User ID not set.
			 */
			$lookup_user_from_email = apply_filters( 'tribe_tickets_rsvp_create_attendee_lookup_user_from_email', false );

			if ( $lookup_user_from_email ) {
				// Check if user exists.
				$user = get_user_by( 'email', $email );

				if ( $user ) {
					$user_id = $user->ID;
				}
			}
		}

		if ( 0 < $user_id ) {
			update_post_meta( $attendee_id, $this->attendee_user_id, $user_id );
		}

		// @todo ET should add a property for this.
		update_post_meta( $attendee_id, self::ATTENDEE_RSVP_KEY, $order_status );
		update_post_meta( $attendee_id, $this->full_name, $full_name );
		update_post_meta( $attendee_id, $this->email, $email );

		update_post_meta( $attendee_id, '_paid_price', 0 );

		// Get the RSVP status `decrease_stock_by` value.
		$status_stock_size = $rsvp_options[ $order_status ]['decrease_stock_by'];

		if ( 0 < $status_stock_size ) {
			// @todo Holy race condition batman!

			// Adjust total sales.
			$sales = (int) get_post_meta( $product_id, 'total_sales', true );
			update_post_meta( $product_id, 'total_sales', ++ $sales );

			// Adjust stock.
			$stock = (int) get_post_meta( $product_id, '_stock', true ) - $status_stock_size;
			update_post_meta( $product_id, '_stock', $stock );
		}

		/**
		 * RSVP specific action fired when a RSVP-driven attendee ticket for an event is generated.
		 * Used to assign a unique ID to the attendee.
		 *
		 * @param int    $attendee_id ID of attendee ticket.
		 * @param int    $post_id     ID of event.
		 * @param string $order_id    RSVP order ID (hash).
		 * @param int    $product_id  RSVP product ID.
		 */
		do_action( 'event_tickets_rsvp_attendee_created', $attendee_id, $post_id, $order_id, $product_id );

		/**
		 * Action fired when an RSVP attendee ticket is created.
		 * Used to store attendee meta.
		 *
		 * @param int $attendee_id       ID of the attendee post.
		 * @param int $post_id           Event post ID.
		 * @param int $product_id        RSVP ticket post ID.
		 * @param int $order_attendee_id Attendee # for order.
		 */
		do_action( 'event_tickets_rsvp_ticket_created', $attendee_id, $post_id, $product_id, $order_attendee_id );

		if ( null === $order_attendee_id ) {
			/**
			 * Action fired when an RSVP ticket has had attendee tickets generated for it.
			 *
			 * @param int    $product_id RSVP ticket post ID.
			 * @param string $order_id   ID (hash) of the RSVP order.
			 * @param int    $qty        Quantity ordered.
			 */
			do_action( 'event_tickets_rsvp_tickets_generated_for_product', $product_id, $order_id, 1 );

			$this->clear_attendees_cache( $post_id );
		}

		return $attendee_id;
	}