Send proactive message without saving Conversation reference

[ydmztang]

Is your feature request related to a problem? Please describe.
We are trying to build some automation and send messages as a bot. For example, the github PR is open for too long, send bot message to the reviewer.

I see this example to cache the conversation reference: https://github.com/microsoft/BotBuilder-Samples/blob/main/samples/python/16.proactive-messages/bots/proactive_bot.py#L10
However, this implementation just isn't resilient. E.g., what if my bot server crashed, how to I keep the conversation references? We can certainly build something to make it fault tolerant, but that adds unnecessary complexity.

In fact, we do have the user id, but we can't construct a conversation reference from solely the user id + bot id.

Describe the solution you'd like
I'd like to have the Bot framework support creating/retrieving conversation reference on the fly given the user id. E.g.,
conversation_reference = ConversationReference(user_id=user_id, ...)

Describe alternatives you've considered
This API seems to be promising: https://docs.microsoft.com/en-us/graph/api/userscopeteamsappinstallation-get-chat?view=graph-rest-1.0&tabs=http
However, I can't get the accessToken from the SDK (it requires the TurnContext, which is again a problem for proactive scenarios)

Additional context

[kostyaplis]

the following snippet works for me to send proactive messages to the user:

config = DefaultConfig()
adapter = CloudAdapter(ConfigurationBotFrameworkAuthentication(config))

recipient = ChannelAccount(id=${aadObjectId})
bot = ChannelAccount(id=config.APP_ID)

activity_reply = Activity(
        type=ActivityTypes.message,
        channel_id="msteams",
        from_property=bot,
        recipient=recipient,
        text="Hello!",
)
conversation_params = ConversationParameters(
        bot=bot,
        members=[recipient],
        activity=activity_reply,
        channel_data={"tenant": {"id": "${tenantID}"}},
)
await adapter.create_conversation(
        bot_app_id=config.APP_ID,
        callback=lambda turn_context: turn_context.send_activity(activity_reply),
        conversation_parameters=conversation_params,
        channel_id="msteams",
        service_url="https://smba.trafficmanager.net/teams/",
)

[tracyboehrer]

@kostyaplis This is probably just for Teams?

[kostyaplis]

Yes, for Teams

[Shashank22082002]

@kostyaplis
Can you tell how to modify this to send a reply message on a post on teams proactively.
(If I store the initial ids like ActivityId and any other attribute if needed in some database)