WishlistProductAddedEvent example

'customerId' => $customer->getId(),
                'salesChannelId' => $context->getSalesChannel()->getId(),
                'products' => [
                    [
                        'productId' => $productId,
                        'productVersionId' => Defaults::LIVE_VERSION,
                    ],
                ],
            ],
        ], $context->getContext());

        $this->eventDispatcher->dispatch(new WishlistProductAddedEvent($wishlistId, $productId, $context));

        return new SuccessResponse();
    }

    private function getWishlistId(SalesChannelContext $context, string $customerId): string
    {
        $criteria = new Criteria();
        $criteria->setLimit(1);
        $criteria->addFilter(new MultiFilter(MultiFilter::CONNECTION_AND, [
            new EqualsFilter('customerId', $customerId),
            new EqualsFilter('salesChannelId', $context->getSalesChannel()->getId()),
        ]));