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Is there a standard idiom for triggering a flow from something like a message arriving on a Kafka queue?

I guess this could be done by polling with a high-frequency cron-scheduled flow but I wonder if there’s something more elegant.

ah, I found PIN-14 which proposes this: <https://docs.prefect.io/core/pins/pin-14-listener-flows-2.html>

definitely something that would be helpful if implemented

Basically event flow runs are done in Prefect by hitting the GraphQL API. Example <https://medium.com/the-prefect-blog/event-driven-workflows-with-aws-lambda-2ef9d8cc8f1a|here> . You can use any language to send the request (you can even cURL it)