Hey @Anonymous
That;s not how I read it 🙂
https://docs.microsoft.com/en-us/microsoftteams/platform/webhooks-and-connectors/how-to/add-outgoing-webhook
My interpretation was that the author is saying the outgoing webhook behaves like a BOT but negates the need to create a full BOT via the BOT framework.
It does state that users need to to use @mention to invoke the webhook... which as you've pointed out is an issue as you need to get all messages in the channel.
Ref using the Teams Trigger; If the underlying issue the frequency of the trigger, for example them minimum invocation is 1 minute for FP2... You could try logic apps as you can configure the frequency to 1 second... I just tested and it works well

HTH
Jay
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