How to communicate Assignments result to the Game Frontend

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I find below descrition "Under production environment, polling each Ticket for Assignment is not recommended. We recommend using event handlers/listeners to communicate Assignments result to the Game Frontend." in https://open-match.dev/site/docs/tutorials/matchmaker101/frontend/.

Is there plan to support a notifiction/event handlers/listeners mechanism in Open Match to communicate Assignments result to the Game Frontend instead of polling tickets? Or is this expected to be implemented by game logic?

Another related question is whether game logic should still call AssignTickets to Open Match Backend to trigger the logic to delete those assigned tickets even the Game Frontend no longer polls those tickets to get Assignments?

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It will be great that Open Match can provide an official notifiction/event handlers/listeners mechanism to notify Game Frontend when Assignments happens, so that Game Frontend does not need to poll ticket to get related information for performance reason.

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If Open Match has no plan to provide an official notifiction/event handlers/listeners mechanism to notify Game Frontend, do you feel using notification from redis (https://redis.io/topics/notifications) a good way to implement this? My concern is that Redis is an implementation details of Open Match. I am not sure whether game logic should use it directly, which bypasses Open Match.

It also relates to another Feature Issue I raised before: https://github.com/googleforgames/open-match/issues/1312. Should we get the information from Redis if Open Match has no plan to support the new API?

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Start by reading the Matchmaker 101 frontend tutorial section referenced in the issue and the related issue #1312. Determine whether assignment notifications should be an Open Match API, game-logic responsibility, or Redis-based integration, and clarify how AssignTickets should be used when the frontend does not poll tickets; done requires a decided mechanism and documented behavior.

Written by the indexing model from the issue text.